121301030224 has 40 divisors (see below), whose sum is σ = 257013282240. Its totient is φ = 55001990400.

The previous prime is 121301030203. The next prime is 121301030267. The reversal of 121301030224 is 422030103121.

It is a happy number.

It is a super-2 number, since 2×121301030224² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770572 + ... + 914539.

It is an arithmetic number, because the mean of its divisors is an integer number (6425332056).

Almost surely, 2^121301030224 is an apocalyptic number.

It is an amenable number.

121301030224 is an abundant number, since it is smaller than the sum of its proper divisors (135712252016).

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

121301030224 is a wasteful number, since it uses less digits than its factorization.

121301030224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685539 (or 1685533 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121301030224 its reverse (422030103121), we get a palindrome (543331133345).

The spelling of 121301030224 in words is "one hundred twenty-one billion, three hundred one million, thirty thousand, two hundred twenty-four".