121202342224 has 20 divisors (see below), whose sum is σ = 234934582644. Its totient is φ = 60574062848.

The previous prime is 121202342159. The next prime is 121202342257. The reversal of 121202342224 is 422243202121.

It can be written as a sum of positive squares in 2 ways, for example, as 86506574400 + 34695767824 = 294120^2 + 186268^2 .

It is a super-2 number, since 2×121202342224² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1657357 + ... + 1728940.

Almost surely, 2^121202342224 is an apocalyptic number.

It is an amenable number.

121202342224 is a deficient number, since it is larger than the sum of its proper divisors (113732240420).

121202342224 is a wasteful number, since it uses less digits than its factorization.

121202342224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3388542 (or 3388536 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 121202342224 its reverse (422243202121), we get a palindrome (543445544345).

The spelling of 121202342224 in words is "one hundred twenty-one billion, two hundred two million, three hundred forty-two thousand, two hundred twenty-four".