121352412 has 12 divisors (see below), whose sum is σ = 283155656. Its totient is φ = 40450800.

The previous prime is 121352369. The next prime is 121352431. The reversal of 121352412 is 214253121.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5056339 + ... + 5056362.

Almost surely, 2^121352412 is an apocalyptic number.

121352412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121352412 is an abundant number, since it is smaller than the sum of its proper divisors (161803244).

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

121352412 is a wasteful number, since it uses less digits than its factorization.

121352412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10112708 (or 10112706 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 121352412 is about 11016.0070806077. The cubic root of 121352412 is about 495.0884608764.

The spelling of 121352412 in words is "one hundred twenty-one million, three hundred fifty-two thousand, four hundred twelve".