2123012103212 has 72 divisors (see below), whose sum is σ = 5026126660128. Its totient is φ = 763520820480.

The previous prime is 2123012103209. The next prime is 2123012103229.

2123012103212 is nontrivially palindromic in base 10.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24056993 + ... + 24145080.

It is an arithmetic number, because the mean of its divisors is an integer number (69807314724).

Almost surely, 2^{2123012103212} is an apocalyptic number.

2123012103212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2123012103212 is an abundant number, since it is smaller than the sum of its proper divisors (2903114556916).

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

2123012103212 is a wasteful number, since it uses less digits than its factorization.

2123012103212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48202119 (or 48202106 counting only the distinct ones).

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

The spelling of 2123012103212 in words is "two trillion, one hundred twenty-three billion, twelve million, one hundred three thousand, two hundred twelve".