121047054372 has 48 divisors (see below), whose sum is σ = 313976940480. Its totient is φ = 40329572544.

The previous prime is 121047054367. The next prime is 121047054377. The reversal of 121047054372 is 273450740121.

121047054372 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 47 + 0 + 543 + 72 = 666.

It is an interprime number because it is at equal distance from previous prime (121047054367) and next prime (121047054377).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (121047054377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44073 + ... + 494000.

It is an arithmetic number, because the mean of its divisors is an integer number (6541186260).

Almost surely, 2^121047054372 is an apocalyptic number.

121047054372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121047054372 is an abundant number, since it is smaller than the sum of its proper divisors (192929886108).

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

121047054372 is a wasteful number, since it uses less digits than its factorization.

121047054372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540169 (or 540161 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

Adding to 121047054372 its reverse (273450740121), we get a palindrome (394497794493).

The spelling of 121047054372 in words is "one hundred twenty-one billion, forty-seven million, fifty-four thousand, three hundred seventy-two".