120021101201212 has 6 divisors (see below), whose sum is σ = 210036927102128. Its totient is φ = 60010550600604.

The previous prime is 120021101201203. The next prime is 120021101201249. The reversal of 120021101201212 is 212102101120021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15002637650148 + ... + 15002637650155.

Almost surely, 2^{120021101201212} is an apocalyptic number.

It is an amenable number.

120021101201212 is a deficient number, since it is larger than the sum of its proper divisors (90015825900916).

120021101201212 is a wasteful number, since it uses less digits than its factorization.

120021101201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30005275300307 (or 30005275300305 counting only the distinct ones).

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

Adding to 120021101201212 its reverse (212102101120021), we get a palindrome (332123202321233).

The spelling of 120021101201212 in words is "one hundred twenty trillion, twenty-one billion, one hundred one million, two hundred one thousand, two hundred twelve".