Search a number
-
+
2202211012212 = 2232199281346903
BaseRepresentation
bin100000000010111110000…
…000010100111001110100
321210112021212112121000200
4200002332000110321310
5242040112004342322
64403403132440500
7315050561514561
oct40027600247164
97715255477020
102202211012212
11779a52783202
122b6978019130
1312c88a96c3a3
1478832477868
153c4405e68ac
hex200be014e74

2202211012212 has 72 divisors (see below), whose sum is σ = 5860332528960. Its totient is φ = 695358120960.

The previous prime is 2202211012189. The next prime is 2202211012219. The reversal of 2202211012212 is 2122101122022.

It is a happy number.

2202211012212 is a `hidden beast` number, since 220 + 221 + 1 + 0 + 1 + 221 + 2 = 666.

It is a super-2 number, since 2×22022110122122 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202211012219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6174753 + ... + 6521655.

Almost surely, 22202211012212 is an apocalyptic number.

It is an amenable number.

2202211012212 is an abundant number, since it is smaller than the sum of its proper divisors (3658121516748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2202211012212 is a wasteful number, since it uses less digits than its factorization.

2202211012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356213 (or 356208 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2202211012212 its reverse (2122101122022), we get a palindrome (4324312134234).

The spelling of 2202211012212 in words is "two trillion, two hundred two billion, two hundred eleven million, twelve thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 684 9281 18562 27843 37124 55686 83529 111372 167058 176339 334116 346903 352678 529017 693806 705356 1040709 1058034 1387612 1587051 2081418 2116068 3122127 3174102 4162836 6244254 6348204 6591157 12488508 13182314 19773471 26364628 39546942 59320413 79093884 118640826 237281652 3219606743 6439213486 9658820229 12878426972 19317640458 28976460687 38635280916 57952921374 61172528117 115905842748 122345056234 183517584351 244690112468 367035168702 550552753053 734070337404 1101105506106 2202211012212