212012001222122 has 16 divisors (see below), whose sum is σ = 331849800502272. Its totient is φ = 101395537972080.

The previous prime is 212012001222113. The next prime is 212012001222137. The reversal of 212012001222122 is 221222100210212.

It is a junction number, because it is equal to n+sod(n) for n = 212012001222094 and 212012001222103.

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, 31095653 + ... + 37295624.

It is an arithmetic number, because the mean of its divisors is an integer number (20740612531392).

Almost surely, 2^{212012001222122} is an apocalyptic number.

212012001222122 is a deficient number, since it is larger than the sum of its proper divisors (119837799280150).

212012001222122 is a wasteful number, since it uses less digits than its factorization.

212012001222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68458693.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 212012001222122 its reverse (221222100210212), we get a palindrome (433234101432334).

The spelling of 212012001222122 in words is "two hundred twelve trillion, twelve billion, one million, two hundred twenty-two thousand, one hundred twenty-two".