21023434333412 has 24 divisors (see below), whose sum is σ = 42089642749056. Its totient is φ = 9000877411008.

The previous prime is 21023434333409. The next prime is 21023434333427. The reversal of 21023434333412 is 21433343432012.

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, 381883433 + ... + 381938480.

It is an arithmetic number, because the mean of its divisors is an integer number (1753735114544).

Almost surely, 2^{21023434333412} is an apocalyptic number.

It is an amenable number.

21023434333412 is an abundant number, since it is smaller than the sum of its proper divisors (21066208415644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21023434333412 is a wasteful number, since it uses less digits than its factorization.

21023434333412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763822907 (or 763822905 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 21023434333412 its reverse (21433343432012), we get a palindrome (42456777765424).

The spelling of 21023434333412 in words is "twenty-one trillion, twenty-three billion, four hundred thirty-four million, three hundred thirty-three thousand, four hundred twelve".