121182748190 has 48 divisors (see below), whose sum is σ = 256254236064. Its totient is φ = 41136984000.

The previous prime is 121182748189. The next prime is 121182748237. The reversal of 121182748190 is 91847281121.

It is a super-2 number, since 2×121182748190² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1174826 + ... + 1273805.

It is an arithmetic number, because the mean of its divisors is an integer number (5338629918).

Almost surely, 2^121182748190 is an apocalyptic number.

121182748190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121182748190 is an abundant number, since it is smaller than the sum of its proper divisors (135071487874).

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

121182748190 is a wasteful number, since it uses less digits than its factorization.

121182748190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448753 (or 2448746 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 44.

The spelling of 121182748190 in words is "one hundred twenty-one billion, one hundred eighty-two million, seven hundred forty-eight thousand, one hundred ninety".