121298941224 has 48 divisors (see below), whose sum is σ = 328611640500. Its totient is φ = 40421451264.

The previous prime is 121298941223. The next prime is 121298941237. The reversal of 121298941224 is 422149892121.

121298941224 is a `hidden beast` number, since 12 + 129 + 89 + 412 + 24 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 110103185124 + 11195756100 = 331818^2 + 105810^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 121298941224.

It is not an unprimeable number, because it can be changed into a prime (121298941223) 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, 15952 + ... + 492800.

Almost surely, 2^121298941224 is an apocalyptic number.

It is an amenable number.

121298941224 is an abundant number, since it is smaller than the sum of its proper divisors (207312699276).

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

121298941224 is a wasteful number, since it uses less digits than its factorization.

121298941224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480394 (or 480387 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The spelling of 121298941224 in words is "one hundred twenty-one billion, two hundred ninety-eight million, nine hundred forty-one thousand, two hundred twenty-four".