212230323024040 has 32 divisors (see below), whose sum is σ = 478292162397480. Its totient is φ = 84754540659712.

The previous prime is 212230323024017. The next prime is 212230323024067. The reversal of 212230323024040 is 40420323032212.

It can be written as a sum of positive squares in 4 ways, for example, as 84814042978116 + 127416280045924 = 9209454^2 + 11287882^2 .

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, 4299617197 + ... + 4299666556.

Almost surely, 2^{212230323024040} is an apocalyptic number.

212230323024040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212230323024040 is an abundant number, since it is smaller than the sum of its proper divisors (266061839373440).

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

212230323024040 is a wasteful number, since it uses less digits than its factorization.

212230323024040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8599284381 (or 8599284377 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 212230323024040 its reverse (40420323032212), we get a palindrome (252650646056252).

The spelling of 212230323024040 in words is "two hundred twelve trillion, two hundred thirty billion, three hundred twenty-three million, twenty-four thousand, forty".