121012344 has 48 divisors (see below), whose sum is σ = 338320320. Its totient is φ = 39035520.

The previous prime is 121012343. The next prime is 121012379. The reversal of 121012344 is 443210121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121012343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24877 + ... + 29340.

It is an arithmetic number, because the mean of its divisors is an integer number (7048340).

Almost surely, 2^121012344 is an apocalyptic number.

It is an amenable number.

121012344 is an abundant number, since it is smaller than the sum of its proper divisors (217307976).

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

121012344 is a wasteful number, since it uses less digits than its factorization.

121012344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54260 (or 54253 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 121012344 is about 11000.5610765997. The cubic root of 121012344 is about 494.6255631754.

Adding to 121012344 its reverse (443210121), we get a palindrome (564222465).

The spelling of 121012344 in words is "one hundred twenty-one million, twelve thousand, three hundred forty-four".