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122002220112012 = 22323388950558667
BaseRepresentation
bin11011101111010111011010…
…111111011101100010001100
3120222222022001111011021001100
4123233113122333131202030
5111442341021322041022
61111251013550343100
734461240514265052
oct3357273277354214
9528868044137040
10122002220112012
113596793a731009
1211824a207baa90
13530c9b5914a96
14221ad207141d2
15e188574c41ac
hex6ef5dafdd88c

122002220112012 has 18 divisors (see below), whose sum is σ = 308394500838788. Its totient is φ = 40667406703992.

The previous prime is 122002220112007. The next prime is 122002220112013. The reversal of 122002220112012 is 210211022200221.

It is a happy number.

122002220112012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is not an unprimeable number, because it can be changed into a prime (122002220112013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1694475279298 + ... + 1694475279369.

Almost surely, 2122002220112012 is an apocalyptic number.

122002220112012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122002220112012 is an abundant number, since it is smaller than the sum of its proper divisors (186392280726776).

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

122002220112012 is a wasteful number, since it uses less digits than its factorization.

122002220112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3388950558677 (or 3388950558672 counting only the distinct ones).

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

Adding to 122002220112012 its reverse (210211022200221), we get a palindrome (332213242312233).

The spelling of 122002220112012 in words is "one hundred twenty-two trillion, two billion, two hundred twenty million, one hundred twelve thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 3388950558667 6777901117334 10166851676001 13555802234668 20333703352002 30500555028003 40667406704004 61001110056006 122002220112012