120212121120 has 192 divisors, whose sum is σ = 466053315840. Its totient is φ = 25363427328.

The previous prime is 120212121119. The next prime is 120212121143. The reversal of 120212121120 is 21121212021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120212121120.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1332375 + ... + 1419734.

It is an arithmetic number, because the mean of its divisors is an integer number (2427361020).

Almost surely, 2^120212121120 is an apocalyptic number.

120212121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120212121120 is an abundant number, since it is smaller than the sum of its proper divisors (345841194720).

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

120212121120 is a wasteful number, since it uses less digits than its factorization.

120212121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752147 (or 2752139 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120212121120 its reverse (21121212021), we get a palindrome (141333333141).

Subtracting from 120212121120 its reverse (21121212021), we obtain a palindrome (99090909099).

The spelling of 120212121120 in words is "one hundred twenty billion, two hundred twelve million, one hundred twenty-one thousand, one hundred twenty".