120012212001 has 32 divisors (see below), whose sum is σ = 174936384000. Its totient is φ = 72579386880.

The previous prime is 120012211999. The next prime is 120012212029. The reversal of 120012212001 is 100212210021.

It is not a de Polignac number, because 120012212001 - 2¹ = 120012211999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120012212041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57174850 + ... + 57176948.

It is an arithmetic number, because the mean of its divisors is an integer number (5466762000).

Almost surely, 2^120012212001 is an apocalyptic number.

120012212001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120012212001 is a deficient number, since it is larger than the sum of its proper divisors (54924171999).

120012212001 is a wasteful number, since it uses less digits than its factorization.

120012212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4989.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120012212001 its reverse (100212210021), we get a palindrome (220224422022).

The spelling of 120012212001 in words is "one hundred twenty billion, twelve million, two hundred twelve thousand, one".