4212721053772 has 24 divisors (see below), whose sum is σ = 9191391390720. Its totient is φ = 1641319890960.

The previous prime is 4212721053703. The next prime is 4212721053791. The reversal of 4212721053772 is 2773501272124.

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, 6838832572 + ... + 6838833187.

It is an arithmetic number, because the mean of its divisors is an integer number (382974641280).

Almost surely, 2^{4212721053772} is an apocalyptic number.

It is an amenable number.

4212721053772 is an abundant number, since it is smaller than the sum of its proper divisors (4978670336948).

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

4212721053772 is a wasteful number, since it uses less digits than its factorization.

4212721053772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13677665781 (or 13677665779 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 43.

The spelling of 4212721053772 in words is "four trillion, two hundred twelve billion, seven hundred twenty-one million, fifty-three thousand, seven hundred seventy-two".