212112121001210 has 64 divisors (see below), whose sum is σ = 395979854266368. Its totient is φ = 81720657000000.

The previous prime is 212112121001153. The next prime is 212112121001227. The reversal of 212112121001210 is 12100121211212.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80273585 + ... + 82873835.

It is an arithmetic number, because the mean of its divisors is an integer number (6187185222912).

Almost surely, 2^{212112121001210} is an apocalyptic number.

212112121001210 is a deficient number, since it is larger than the sum of its proper divisors (183867733265158).

212112121001210 is a wasteful number, since it uses less digits than its factorization.

212112121001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2601531.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212112121001210 its reverse (12100121211212), we get a palindrome (224212242212422).

The spelling of 212112121001210 in words is "two hundred twelve trillion, one hundred twelve billion, one hundred twenty-one million, one thousand, two hundred ten".