120121213230 has 48 divisors (see below), whose sum is σ = 312350102064. Its totient is φ = 32028739200.

The previous prime is 120121213141. The next prime is 120121213339. The reversal of 120121213230 is 32312121021.

120121213230 is a `hidden beast` number, since 1 + 201 + 21 + 213 + 230 = 666.

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 23 ways as a sum of consecutive naturals, for example, 789330 + ... + 929130.

It is an arithmetic number, because the mean of its divisors is an integer number (6507293793).

Almost surely, 2^120121213230 is an apocalyptic number.

120121213230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120121213230 is an abundant number, since it is smaller than the sum of its proper divisors (192228888834).

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

120121213230 is a wasteful number, since it uses less digits than its factorization.

120121213230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149361 (or 149358 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 120121213230 its reverse (32312121021), we get a palindrome (152433334251).

The spelling of 120121213230 in words is "one hundred twenty billion, one hundred twenty-one million, two hundred thirteen thousand, two hundred thirty".