21132233131234 has 16 divisors (see below), whose sum is σ = 32483538251640. Its totient is φ = 10304578445440.

The previous prime is 21132233131199. The next prime is 21132233131241. The reversal of 21132233131234 is 43213133223112.

It can be written as a sum of positive squares in 4 ways, for example, as 18547363422225 + 2584869709009 = 4306665^2 + 1607753^2 .

It is a super-2 number, since 2×21132233131234² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21132233131196 and 21132233131205.

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, 47627329 + ... + 48068980.

Almost surely, 2^{21132233131234} is an apocalyptic number.

21132233131234 is a deficient number, since it is larger than the sum of its proper divisors (11351305120406).

21132233131234 is a wasteful number, since it uses less digits than its factorization.

21132233131234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95699045.

The product of its digits is 15552, while the sum is 31.

Adding to 21132233131234 its reverse (43213133223112), we get a palindrome (64345366354346).

The spelling of 21132233131234 in words is "twenty-one trillion, one hundred thirty-two billion, two hundred thirty-three million, one hundred thirty-one thousand, two hundred thirty-four".