120021211100212 has 6 divisors (see below), whose sum is σ = 210037119425378. Its totient is φ = 60010605550104.

The previous prime is 120021211100117. The next prime is 120021211100221. The reversal of 120021211100212 is 212001112120021.

It can be written as a sum of positive squares in only one way, i.e., 108051783881616 + 11969427218596 = 10394796^2 + 3459686^2 .

It is a super-2 number, since 2×120021211100212² (a number of 29 digits) contains 22 as substring.

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, 15002651387523 + ... + 15002651387530.

Almost surely, 2^{120021211100212} is an apocalyptic number.

It is an amenable number.

120021211100212 is a deficient number, since it is larger than the sum of its proper divisors (90015908325166).

120021211100212 is a wasteful number, since it uses less digits than its factorization.

120021211100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30005302775057 (or 30005302775055 counting only the distinct ones).

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

Adding to 120021211100212 its reverse (212001112120021), we get a palindrome (332022323220233).

The spelling of 120021211100212 in words is "one hundred twenty trillion, twenty-one billion, two hundred eleven million, one hundred thousand, two hundred twelve".