121211100002212 has 24 divisors (see below), whose sum is σ = 233694128005632. Its totient is φ = 54550450044000.

The previous prime is 121211100002189. The next prime is 121211100002249. The reversal of 121211100002212 is 212200001112121.

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, 13637608068 + ... + 13637616955.

It is an arithmetic number, because the mean of its divisors is an integer number (9737255333568).

Almost surely, 2^{121211100002212} is an apocalyptic number.

It is an amenable number.

121211100002212 is a deficient number, since it is larger than the sum of its proper divisors (112483028003420).

121211100002212 is a wasteful number, since it uses less digits than its factorization.

121211100002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27275225139 (or 27275225137 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121211100002212 its reverse (212200001112121), we get a palindrome (333411101114333).

The spelling of 121211100002212 in words is "one hundred twenty-one trillion, two hundred eleven billion, one hundred million, two thousand, two hundred twelve".