121433400412 has 12 divisors (see below), whose sum is σ = 212539463136. Its totient is φ = 60707839520.

The previous prime is 121433400397. The next prime is 121433400427. The reversal of 121433400412 is 214004334121.

It is an interprime number because it is at equal distance from previous prime (121433400397) and next prime (121433400427).

It is a super-2 number, since 2×121433400412² (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 3 ways as a sum of consecutive naturals, for example, 2184289 + ... + 2239192.

It is an arithmetic number, because the mean of its divisors is an integer number (17711621928).

Almost surely, 2^121433400412 is an apocalyptic number.

It is an amenable number.

121433400412 is a deficient number, since it is larger than the sum of its proper divisors (91106062724).

121433400412 is a wasteful number, since it uses less digits than its factorization.

121433400412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4430348 (or 4430346 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 121433400412 its reverse (214004334121), we get a palindrome (335437734533).

The spelling of 121433400412 in words is "one hundred twenty-one billion, four hundred thirty-three million, four hundred thousand, four hundred twelve".