21764233246712 has 32 divisors (see below), whose sum is σ = 44519362121520. Its totient is φ = 9892475005440.

The previous prime is 21764233246703. The next prime is 21764233246757.

21764233246712 is nontrivially palindromic in base 10.

It is a congruent number.

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, 2027423 + ... + 6902094.

Almost surely, 2^{21764233246712} is an apocalyptic number.

21764233246712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21764233246712 is an abundant number, since it is smaller than the sum of its proper divisors (22755128874808).

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

21764233246712 is a wasteful number, since it uses less digits than its factorization.

21764233246712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8957231 (or 8957227 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 50.

The spelling of 21764233246712 in words is "twenty-one trillion, seven hundred sixty-four billion, two hundred thirty-three million, two hundred forty-six thousand, seven hundred twelve".