21413031412 has 24 divisors (see below), whose sum is σ = 37926243432. Its totient is φ = 10577424000.

The previous prime is 21413031383. The next prime is 21413031413.

21413031412 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 13283484516 + 8129546896 = 115254^2 + 90164^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21413031413) 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, 128758 + ... + 243730.

It is an arithmetic number, because the mean of its divisors is an integer number (1580260143).

Almost surely, 2^21413031412 is an apocalyptic number.

It is an amenable number.

21413031412 is a deficient number, since it is larger than the sum of its proper divisors (16513212020).

21413031412 is a wasteful number, since it uses less digits than its factorization.

21413031412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115539 (or 115537 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

It can be divided in two parts, 214130 and 31412, that added together give a palindrome (245542).

The spelling of 21413031412 in words is "twenty-one billion, four hundred thirteen million, thirty-one thousand, four hundred twelve".