121300031232 has 108 divisors (see below), whose sum is σ = 350499613464. Its totient is φ = 40345282560.

The previous prime is 121300031221. The next prime is 121300031243. The reversal of 121300031232 is 232130003121.

121300031232 is a `hidden beast` number, since 1 + 21 + 300 + 0 + 312 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (121300031221) and next prime (121300031243).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1005043 + ... + 1119245.

Almost surely, 2^121300031232 is an apocalyptic number.

121300031232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121300031232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175249806732).

121300031232 is an abundant number, since it is smaller than the sum of its proper divisors (229199582232).

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

121300031232 is a wasteful number, since it uses less digits than its factorization.

121300031232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114686 (or 114669 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 121300031232 its reverse (232130003121), we get a palindrome (353430034353).

The spelling of 121300031232 in words is "one hundred twenty-one billion, three hundred million, thirty-one thousand, two hundred thirty-two".