2123646463212 has 12 divisors (see below), whose sum is σ = 4955175080856. Its totient is φ = 707882154400.

The previous prime is 2123646463207. The next prime is 2123646463259.

It is a happy number.

2123646463212 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88485269289 + ... + 88485269312.

It is an arithmetic number, because the mean of its divisors is an integer number (412931256738).

Almost surely, 2^{2123646463212} is an apocalyptic number.

It is an amenable number.

2123646463212 is an abundant number, since it is smaller than the sum of its proper divisors (2831528617644).

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

2123646463212 is a wasteful number, since it uses less digits than its factorization.

2123646463212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176970538608 (or 176970538606 counting only the distinct ones).

The product of its digits is 497664, while the sum is 42.

The spelling of 2123646463212 in words is "two trillion, one hundred twenty-three billion, six hundred forty-six million, four hundred sixty-three thousand, two hundred twelve".