Search a number
-
+
2222012121112 = 237157912512747
BaseRepresentation
bin100000010101011010001…
…111100100000000011000
321212102101211211010222101
4200111122033210000120
5242401140100333422
64420440035133144
7316351350253210
oct40253217440030
97772354733871
102222012121112
11787393a07413
122ba7834441b4
131316c508a684
1479790189240
153cbedb76c27
hex2055a3e4018

2222012121112 has 32 divisors (see below), whose sum is σ = 4761757969920. Its totient is φ = 952230224160.

The previous prime is 2222012121073. The next prime is 2222012121151. The reversal of 2222012121112 is 2111212102222.

It is an interprime number because it is at equal distance from previous prime (2222012121073) and next prime (2222012121151).

It is a super-2 number, since 2×22220121211122 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2222012121112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372078 + ... + 2140669.

It is an arithmetic number, because the mean of its divisors is an integer number (148804936560).

Almost surely, 22222012121112 is an apocalyptic number.

It is an amenable number.

2222012121112 is an abundant number, since it is smaller than the sum of its proper divisors (2539745848808).

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

2222012121112 is a wasteful number, since it uses less digits than its factorization.

2222012121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528551 (or 2528547 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2222012121112 its reverse (2111212102222), we get a palindrome (4333224223334).

The spelling of 2222012121112 in words is "two trillion, two hundred twenty-two billion, twelve million, one hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 15791 31582 63164 110537 126328 221074 442148 884296 2512747 5025494 10050988 17589229 20101976 35178458 70356916 140713832 39678787877 79357575754 158715151508 277751515139 317430303016 555503030278 1111006060556 2222012121112