20123004013212 has 192 divisors, whose sum is σ = 49837921418880. Its totient is φ = 6311772979200.

The previous prime is 20123004013199. The next prime is 20123004013283. The reversal of 20123004013212 is 21231040032102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5174336964 + ... + 5174340852.

It is an arithmetic number, because the mean of its divisors is an integer number (259572507390).

Almost surely, 2^{20123004013212} is an apocalyptic number.

It is an amenable number.

20123004013212 is an abundant number, since it is smaller than the sum of its proper divisors (29714917405668).

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

20123004013212 is a wasteful number, since it uses less digits than its factorization.

20123004013212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7304 (or 7302 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20123004013212 its reverse (21231040032102), we get a palindrome (41354044045314).

The spelling of 20123004013212 in words is "twenty trillion, one hundred twenty-three billion, four million, thirteen thousand, two hundred twelve".