121311513002 has 16 divisors (see below), whose sum is σ = 184672716480. Its totient is φ = 59758012992.

The previous prime is 121311512983. The next prime is 121311513019. The reversal of 121311513002 is 200315113121.

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, 958223 + ... + 1077410.

It is an arithmetic number, because the mean of its divisors is an integer number (11542044780).

Almost surely, 2^121311513002 is an apocalyptic number.

121311513002 is a deficient number, since it is larger than the sum of its proper divisors (63361203478).

121311513002 is a wasteful number, since it uses less digits than its factorization.

121311513002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036077.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 121311513002 its reverse (200315113121), we get a palindrome (321626626123).

The spelling of 121311513002 in words is "one hundred twenty-one billion, three hundred eleven million, five hundred thirteen thousand, two".