21234011040232 has 32 divisors (see below), whose sum is σ = 41104046304000. Its totient is φ = 10273031366400.

The previous prime is 21234011040197. The next prime is 21234011040271. The reversal of 21234011040232 is 23204011043212.

It is a super-2 number, since 2×21234011040232² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21234011040197 and 21234011040206.

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, 4494369 + ... + 7916272.

It is an arithmetic number, because the mean of its divisors is an integer number (1284501447000).

Almost surely, 2^{21234011040232} is an apocalyptic number.

It is an amenable number.

21234011040232 is a deficient number, since it is larger than the sum of its proper divisors (19870035263768).

21234011040232 is a wasteful number, since it uses less digits than its factorization.

21234011040232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12417577 (or 12417573 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 21234011040232 its reverse (23204011043212), we get a palindrome (44438022083444).

The spelling of 21234011040232 in words is "twenty-one trillion, two hundred thirty-four billion, eleven million, forty thousand, two hundred thirty-two".