121231002 has 16 divisors (see below), whose sum is σ = 242590752. Its totient is φ = 40388880.

The previous prime is 121230979. The next prime is 121231003. The reversal of 121231002 is 200132121.

It is not an unprimeable number, because it can be changed into a prime (121231003) 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, 10477 + ... + 18767.

It is an arithmetic number, because the mean of its divisors is an integer number (15161922).

Almost surely, 2^121231002 is an apocalyptic number.

121231002 is an abundant number, since it is smaller than the sum of its proper divisors (121359750).

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

121231002 is a wasteful number, since it uses less digits than its factorization.

121231002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10733.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 121231002 is about 11010.4950842367. The cubic root of 121231002 is about 494.9232979817.

Adding to 121231002 its reverse (200132121), we get a palindrome (321363123).

The spelling of 121231002 in words is "one hundred twenty-one million, two hundred thirty-one thousand, two".