122012211001211 has 4 divisors (see below), whose sum is σ = 122012564098752. Its totient is φ = 122011857903672.

The previous prime is 122012211001133. The next prime is 122012211001217. The reversal of 122012211001211 is 112100112210221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122012211001211 - 2²⁶ = 122012143892347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122012211001211.

It is not an unprimeable number, because it can be changed into a prime (122012211001217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176029940 + ... + 176721713.

It is an arithmetic number, because the mean of its divisors is an integer number (30503141024688).

Almost surely, 2^{122012211001211} is an apocalyptic number.

122012211001211 is a deficient number, since it is larger than the sum of its proper divisors (353097541).

122012211001211 is an equidigital number, since it uses as much as digits as its factorization.

122012211001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353097540.

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

Adding to 122012211001211 its reverse (112100112210221), we get a palindrome (234112323211432).

The spelling of 122012211001211 in words is "one hundred twenty-two trillion, twelve billion, two hundred eleven million, one thousand, two hundred eleven".