Search a number
-
+
122002221112 = 2319976634561
BaseRepresentation
bin111000110011111100…
…1100010100000111000
3102122220112200222111221
41301213321202200320
53444330032033422
6132014055001424
711546220524512
oct1614771424070
9378815628457
10122002221112
1147817089512
121b78a369274
13b673c5b6a5
145c9521cbb2
153290b563c7
hex1c67e62838

122002221112 has 16 divisors (see below), whose sum is σ = 229903686000. Its totient is φ = 60694571520.

The previous prime is 122002221109. The next prime is 122002221137. The reversal of 122002221112 is 211122200221.

It is a happy number.

It is a super-2 number, since 2×1220022211122 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38315689 + ... + 38318872.

It is an arithmetic number, because the mean of its divisors is an integer number (14368980375).

Almost surely, 2122002221112 is an apocalyptic number.

It is an amenable number.

122002221112 is a deficient number, since it is larger than the sum of its proper divisors (107901464888).

122002221112 is a wasteful number, since it uses less digits than its factorization.

122002221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76634766 (or 76634762 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122002221112 its reverse (211122200221), we get a palindrome (333124421333).

The spelling of 122002221112 in words is "one hundred twenty-two billion, two million, two hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 199 398 796 1592 76634561 153269122 306538244 613076488 15250277639 30500555278 61001110556 122002221112