121880212 has 48 divisors (see below), whose sum is σ = 231840000. Its totient is φ = 55880064.

The previous prime is 121880177. The next prime is 121880219. The reversal of 121880212 is 212088121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121880219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532114 + ... + 532342.

It is an arithmetic number, because the mean of its divisors is an integer number (4830000).

Almost surely, 2^121880212 is an apocalyptic number.

It is an amenable number.

121880212 is a deficient number, since it is larger than the sum of its proper divisors (109959788).

121880212 is a wasteful number, since it uses less digits than its factorization.

121880212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 121880212 is about 11039.9371375022. The cubic root of 121880212 is about 495.8051881928.

The spelling of 121880212 in words is "one hundred twenty-one million, eight hundred eighty thousand, two hundred twelve".