120102012001 has 6 divisors (see below), whose sum is σ = 121466643302. Its totient is φ = 118752543360.

The previous prime is 120102011983. The next prime is 120102012061. The reversal of 120102012001 is 100210201021.

It can be written as a sum of positive squares in 3 ways, for example, as 7538406976 + 112563605025 = 86824^2 + 335505^2 .

It is not a de Polignac number, because 120102012001 - 2⁹ = 120102011489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120102012061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7573320 + ... + 7589161.

Almost surely, 2^120102012001 is an apocalyptic number.

It is an amenable number.

120102012001 is a deficient number, since it is larger than the sum of its proper divisors (1364631301).

120102012001 is an frugal number, since it uses more digits than its factorization.

120102012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15162659 (or 15162570 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120102012001 its reverse (100210201021), we get a palindrome (220312213022).

The spelling of 120102012001 in words is "one hundred twenty billion, one hundred two million, twelve thousand, one".