2121674761212 has 24 divisors (see below), whose sum is σ = 5055905815296. Its totient is φ = 692177581488.

The previous prime is 2121674761211. The next prime is 2121674761249.

2121674761212 is nontrivially palindromic in base 10.

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 (2121674761211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1880916778 + ... + 1880917905.

It is an arithmetic number, because the mean of its divisors is an integer number (210662742304).

Almost surely, 2^{2121674761212} is an apocalyptic number.

It is an amenable number.

2121674761212 is an abundant number, since it is smaller than the sum of its proper divisors (2934231054084).

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

2121674761212 is a wasteful number, since it uses less digits than its factorization.

2121674761212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3761834737 (or 3761834735 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The spelling of 2121674761212 in words is "two trillion, one hundred twenty-one billion, six hundred seventy-four million, seven hundred sixty-one thousand, two hundred twelve".