121010021210000 has 200 divisors, whose sum is σ = 329232094255680. Its totient is φ = 42737986368000.

The previous prime is 121010021209997. The next prime is 121010021210033. The reversal of 121010021210000 is 12120010121.

It is a tau number, because it is divible by the number of its divisors (200).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 17245790 + ... + 23225789.

Almost surely, 2^{121010021210000} is an apocalyptic number.

121010021210000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121010021210000 is an abundant number, since it is smaller than the sum of its proper divisors (208222073045680).

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

121010021210000 is a wasteful number, since it uses less digits than its factorization.

121010021210000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40471643 (or 40471622 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121010021210000 its reverse (12120010121), we get a palindrome (121022141220121).

The spelling of 121010021210000 in words is "one hundred twenty-one trillion, ten billion, twenty-one million, two hundred ten thousand".