10312120402 has 8 divisors (see below), whose sum is σ = 15621331212. Its totient is φ = 5105010000.

The previous prime is 10312120391. The next prime is 10312120417. The reversal of 10312120402 is 20402121301.

It can be written as a sum of positive squares in 2 ways, for example, as 10152376081 + 159744321 = 100759^2 + 12639^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25524849 + ... + 25525252.

Almost surely, 2^10312120402 is an apocalyptic number.

10312120402 is a deficient number, since it is larger than the sum of its proper divisors (5309210810).

10312120402 is a wasteful number, since it uses less digits than its factorization.

10312120402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51050204.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 10312120402 its reverse (20402121301), we get a palindrome (30714241703).

The spelling of 10312120402 in words is "ten billion, three hundred twelve million, one hundred twenty thousand, four hundred two".