2021246121312 has 192 divisors, whose sum is σ = 6710857413120. Its totient is φ = 585868377600.

The previous prime is 2021246121311. The next prime is 2021246121317. The reversal of 2021246121312 is 2131216421202.

2021246121312 is a `hidden beast` number, since 2 + 0 + 2 + 1 + 24 + 612 + 13 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021246121311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4404739 + ... + 4841922.

It is an arithmetic number, because the mean of its divisors is an integer number (34952382360).

Almost surely, 2^{2021246121312} is an apocalyptic number.

2021246121312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2021246121312 is an abundant number, since it is smaller than the sum of its proper divisors (4689611291808).

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

2021246121312 is a wasteful number, since it uses less digits than its factorization.

2021246121312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9246714 (or 9246700 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 2021246121312 in words is "two trillion, twenty-one billion, two hundred forty-six million, one hundred twenty-one thousand, three hundred twelve".