21312014130032 has 20 divisors (see below), whose sum is σ = 41692920849840. Its totient is φ = 10552550684928.

The previous prime is 21312014129899. The next prime is 21312014130037. The reversal of 21312014130032 is 23003141021312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21312014130037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6466022057 + ... + 6466025352.

It is an arithmetic number, because the mean of its divisors is an integer number (2084646042492).

Almost surely, 2^{21312014130032} is an apocalyptic number.

It is an amenable number.

21312014130032 is a deficient number, since it is larger than the sum of its proper divisors (20380906719808).

21312014130032 is a wasteful number, since it uses less digits than its factorization.

21312014130032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12932047520 (or 12932047514 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21312014130032 its reverse (23003141021312), we get a palindrome (44315155151344).

The spelling of 21312014130032 in words is "twenty-one trillion, three hundred twelve billion, fourteen million, one hundred thirty thousand, thirty-two".