120231013212 has 18 divisors (see below), whose sum is σ = 303917283488. Its totient is φ = 40077004392.

The previous prime is 120231013187. The next prime is 120231013219. The reversal of 120231013212 is 212310132021.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120231013219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1669875148 + ... + 1669875219.

Almost surely, 2^120231013212 is an apocalyptic number.

120231013212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120231013212 is an abundant number, since it is smaller than the sum of its proper divisors (183686270276).

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

120231013212 is a wasteful number, since it uses less digits than its factorization.

120231013212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3339750377 (or 3339750372 counting only the distinct ones).

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

Adding to 120231013212 its reverse (212310132021), we get a palindrome (332541145233).

It can be divided in two parts, 120231013 and 212, that added together give a square (120231225 = 10965²).

The spelling of 120231013212 in words is "one hundred twenty billion, two hundred thirty-one million, thirteen thousand, two hundred twelve".