212453121354212 has 24 divisors (see below), whose sum is σ = 373098876211320. Its totient is φ = 105853972815360.

The previous prime is 212453121354161. The next prime is 212453121354223.

212453121354212 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 3309867044416 + 209143254309796 = 1819304^2 + 14461786^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64694339 + ... + 67898922.

It is an arithmetic number, because the mean of its divisors is an integer number (15545786508805).

Almost surely, 2^{212453121354212} is an apocalyptic number.

It is an amenable number.

212453121354212 is a deficient number, since it is larger than the sum of its proper divisors (160645754857108).

212453121354212 is a wasteful number, since it uses less digits than its factorization.

212453121354212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132594671 (or 132594669 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The spelling of 212453121354212 in words is "two hundred twelve trillion, four hundred fifty-three billion, one hundred twenty-one million, three hundred fifty-four thousand, two hundred twelve".