120100101012 has 72 divisors (see below), whose sum is σ = 328201546400. Its totient is φ = 36901303488.

The previous prime is 120100100971. The next prime is 120100101019. The reversal of 120100101012 is 210101001021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 120100100985 and 120100101003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120100101019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2347462 + ... + 2398077.

Almost surely, 2^120100101012 is an apocalyptic number.

120100101012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120100101012 is an abundant number, since it is smaller than the sum of its proper divisors (208101445388).

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

120100101012 is a wasteful number, since it uses less digits than its factorization.

120100101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4745605 (or 4745600 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 120100101012 its reverse (210101001021), we get a palindrome (330201102033).

Subtracting 120100101012 from its reverse (210101001021), we obtain a palindrome (90000900009).

The spelling of 120100101012 in words is "one hundred twenty billion, one hundred million, one hundred one thousand, twelve".