120012121201210 has 48 divisors (see below), whose sum is σ = 251335255207680. Its totient is φ = 41139715172640.

The previous prime is 120012121201177. The next prime is 120012121201253. The reversal of 120012121201210 is 12102121210021.

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, 18953746 + ... + 24479965.

It is an arithmetic number, because the mean of its divisors is an integer number (5236151150160).

Almost surely, 2^{120012121201210} is an apocalyptic number.

120012121201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120012121201210 is an abundant number, since it is smaller than the sum of its proper divisors (131323134006470).

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

120012121201210 is a wasteful number, since it uses less digits than its factorization.

120012121201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43439371 (or 43439364 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120012121201210 its reverse (12102121210021), we get a palindrome (132114242411231).

The spelling of 120012121201210 in words is "one hundred twenty trillion, twelve billion, one hundred twenty-one million, two hundred one thousand, two hundred ten".