2101232321012 has 72 divisors (see below), whose sum is σ = 4349746364040. Its totient is φ = 884186265600.

The previous prime is 2101232321003. The next prime is 2101232321017.

2101232321012 is nontrivially palindromic in base 10.

2101232321012 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 4 ways, for example, as 365679021796 + 1735553299216 = 604714^2 + 1317404^2 .

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101232321017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1591337 + ... + 2595152.

It is an arithmetic number, because the mean of its divisors is an integer number (60413143945).

Almost surely, 2^{2101232321012} is an apocalyptic number.

2101232321012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2101232321012 is an abundant number, since it is smaller than the sum of its proper divisors (2248514043028).

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

2101232321012 is a wasteful number, since it uses less digits than its factorization.

2101232321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4186593 (or 4186580 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 2101232321012 in words is "two trillion, one hundred one billion, two hundred thirty-two million, three hundred twenty-one thousand, twelve".