121444212312 has 96 divisors (see below), whose sum is σ = 361275782400. Its totient is φ = 36683368128.

The previous prime is 121444212299. The next prime is 121444212367. The reversal of 121444212312 is 213212444121.

121444212312 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 4 + 421 + 231 + 2 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1898428 + ... + 1961355.

It is an arithmetic number, because the mean of its divisors is an integer number (3763289400).

Almost surely, 2^121444212312 is an apocalyptic number.

121444212312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121444212312 is an abundant number, since it is smaller than the sum of its proper divisors (239831570088).

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

121444212312 is a wasteful number, since it uses less digits than its factorization.

121444212312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3859837 (or 3859830 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

Adding to 121444212312 its reverse (213212444121), we get a palindrome (334656656433).

The spelling of 121444212312 in words is "one hundred twenty-one billion, four hundred forty-four million, two hundred twelve thousand, three hundred twelve".