2102401232312 has 32 divisors (see below), whose sum is σ = 3966153206400. Its totient is φ = 1044762112224.

The previous prime is 2102401232279. The next prime is 2102401232401. The reversal of 2102401232312 is 2132321042012.

It is a super-3 number, since 3×2102401232312³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

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, 9946139 + ... + 10155317.

It is an arithmetic number, because the mean of its divisors is an integer number (123942287700).

Almost surely, 2^{2102401232312} is an apocalyptic number.

It is an amenable number.

2102401232312 is a deficient number, since it is larger than the sum of its proper divisors (1863751974088).

2102401232312 is a wasteful number, since it uses less digits than its factorization.

2102401232312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216875 (or 216871 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2102401232312 its reverse (2132321042012), we get a palindrome (4234722274324).

The spelling of 2102401232312 in words is "two trillion, one hundred two billion, four hundred one million, two hundred thirty-two thousand, three hundred twelve".