2123205023212 has 24 divisors (see below), whose sum is σ = 4573056973856. Its totient is φ = 839949239808.

The previous prime is 2123205023209. The next prime is 2123205023237.

2123205023212 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2916490053 + ... + 2916490780.

Almost surely, 2^{2123205023212} is an apocalyptic number.

It is an amenable number.

2123205023212 is an abundant number, since it is smaller than the sum of its proper divisors (2449851950644).

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

2123205023212 is a wasteful number, since it uses less digits than its factorization.

2123205023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5832980857 (or 5832980855 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The spelling of 2123205023212 in words is "two trillion, one hundred twenty-three billion, two hundred five million, twenty-three thousand, two hundred twelve".