121332033312 has 48 divisors (see below), whose sum is σ = 363996101952. Its totient is φ = 34666295040.

The previous prime is 121332033283. The next prime is 121332033451. The reversal of 121332033312 is 213330233121.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 90276139 + ... + 90277482.

It is an arithmetic number, because the mean of its divisors is an integer number (7583252124).

Almost surely, 2^121332033312 is an apocalyptic number.

121332033312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121332033312 is an abundant number, since it is smaller than the sum of its proper divisors (242664068640).

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

121332033312 is a wasteful number, since it uses less digits than its factorization.

121332033312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180553641 (or 180553633 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 121332033312 its reverse (213330233121), we get a palindrome (334662266433).

The spelling of 121332033312 in words is "one hundred twenty-one billion, three hundred thirty-two million, thirty-three thousand, three hundred twelve".