121145445324232 has 32 divisors (see below), whose sum is σ = 259876820390400. Its totient is φ = 51863589057024.

The previous prime is 121145445324217. The next prime is 121145445324271. The reversal of 121145445324232 is 232423544541121.

It is a super-3 number, since 3×121145445324232³ (a number of 43 digits) contains 333 as substring.

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, 1164270648 + ... + 1164374695.

It is an arithmetic number, because the mean of its divisors is an integer number (8121150637200).

Almost surely, 2^{121145445324232} is an apocalyptic number.

It is an amenable number.

121145445324232 is an abundant number, since it is smaller than the sum of its proper divisors (138731375066168).

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

121145445324232 is a wasteful number, since it uses less digits than its factorization.

121145445324232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328646285 (or 2328646281 counting only the distinct ones).

The product of its digits is 921600, while the sum is 43.

Adding to 121145445324232 its reverse (232423544541121), we get a palindrome (353568989865353).

The spelling of 121145445324232 in words is "one hundred twenty-one trillion, one hundred forty-five billion, four hundred forty-five million, three hundred twenty-four thousand, two hundred thirty-two".