21330226007412 has 96 divisors (see below), whose sum is σ = 57253044817920. Its totient is φ = 6054486393600.

The previous prime is 21330226007401. The next prime is 21330226007429. The reversal of 21330226007412 is 21470062203312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24842289 + ... + 25686567.

It is an arithmetic number, because the mean of its divisors is an integer number (596385883520).

Almost surely, 2^{21330226007412} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21330226007412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28626522408960).

21330226007412 is an abundant number, since it is smaller than the sum of its proper divisors (35922818810508).

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

21330226007412 is a wasteful number, since it uses less digits than its factorization.

21330226007412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846261 (or 846259 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The spelling of 21330226007412 in words is "twenty-one trillion, three hundred thirty billion, two hundred twenty-six million, seven thousand, four hundred twelve".