121005202002 has 16 divisors (see below), whose sum is σ = 247159562112. Its totient is φ = 39476874320.

The previous prime is 121005201929. The next prime is 121005202027. The reversal of 121005202002 is 200202500121.

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, 214547949 + ... + 214548512.

It is an arithmetic number, because the mean of its divisors is an integer number (15447472632).

Almost surely, 2^121005202002 is an apocalyptic number.

121005202002 is an abundant number, since it is smaller than the sum of its proper divisors (126154360110).

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

121005202002 is a wasteful number, since it uses less digits than its factorization.

121005202002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429096513.

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 121005202002 its reverse (200202500121), we get a palindrome (321207702123).

The spelling of 121005202002 in words is "one hundred twenty-one billion, five million, two hundred two thousand, two".