122002012001000 has 32 divisors (see below), whose sum is σ = 285484708084680. Its totient is φ = 48800804800000.

The previous prime is 122002012000997. The next prime is 122002012001017. The reversal of 122002012001000 is 100210200221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 46873439430724 + 75128572570276 = 6846418^2 + 8667674^2 .

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, 61001005001 + ... + 61001007000.

Almost surely, 2^{122002012001000} is an apocalyptic number.

122002012001000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122002012001000 is an abundant number, since it is smaller than the sum of its proper divisors (163482696083680).

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

122002012001000 is a wasteful number, since it uses less digits than its factorization.

122002012001000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122002012022 (or 122002012008 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 122002012001000 its reverse (100210200221), we get a palindrome (122102222201221).

The spelling of 122002012001000 in words is "one hundred twenty-two trillion, two billion, twelve million, one thousand".