121010012002 has 16 divisors (see below), whose sum is σ = 198071259552. Its totient is φ = 54989307520.

The previous prime is 121010011999. The next prime is 121010012003. The reversal of 121010012002 is 200210010121.

It is a self number, because there is not a number n which added to its sum of digits gives 121010012002.

It is not an unprimeable number, because it can be changed into a prime (121010012003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680788 + ... + 839935.

It is an arithmetic number, because the mean of its divisors is an integer number (12379453722).

Almost surely, 2^121010012002 is an apocalyptic number.

121010012002 is a deficient number, since it is larger than the sum of its proper divisors (77061247550).

121010012002 is a wasteful number, since it uses less digits than its factorization.

121010012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524353.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 121010012002 its reverse (200210010121), we get a palindrome (321220022123).

The spelling of 121010012002 in words is "one hundred twenty-one billion, ten million, twelve thousand, two".