121023131302 has 8 divisors (see below), whose sum is σ = 189427509936. Its totient is φ = 57880627992.

The previous prime is 121023131269. The next prime is 121023131347. The reversal of 121023131302 is 203131320121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×121023131302² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121023131302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1315468773 + ... + 1315468864.

It is an arithmetic number, because the mean of its divisors is an integer number (23678438742).

Almost surely, 2^121023131302 is an apocalyptic number.

121023131302 is a deficient number, since it is larger than the sum of its proper divisors (68404378634).

121023131302 is a wasteful number, since it uses less digits than its factorization.

121023131302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630937662.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121023131302 its reverse (203131320121), we get a palindrome (324154451423).

The spelling of 121023131302 in words is "one hundred twenty-one billion, twenty-three million, one hundred thirty-one thousand, three hundred two".