121045212 has 48 divisors (see below), whose sum is σ = 314567680. Its totient is φ = 40252464.

The previous prime is 121045193. The next prime is 121045229. The reversal of 121045212 is 212540121.

121045212 is a `hidden beast` number, since 1 + 210 + 452 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55413 + ... + 57555.

Almost surely, 2^121045212 is an apocalyptic number.

121045212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121045212 is an abundant number, since it is smaller than the sum of its proper divisors (193522468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121045212 is a wasteful number, since it uses less digits than its factorization.

121045212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679 (or 2671 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 121045212 is about 11002.0548989723. The cubic root of 121045212 is about 494.6703406496.

Adding to 121045212 its reverse (212540121), we get a palindrome (333585333).

The spelling of 121045212 in words is "one hundred twenty-one million, forty-five thousand, two hundred twelve".