120001012 has 12 divisors (see below), whose sum is σ = 210142240. Its totient is φ = 59960376.

The previous prime is 120001001. The next prime is 120001019. The reversal of 120001012 is 210100021.

It is a junction number, because it is equal to n+sod(n) for n = 120000986 and 120001004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2712 + ... + 15727.

Almost surely, 2^120001012 is an apocalyptic number.

It is an amenable number.

120001012 is a deficient number, since it is larger than the sum of its proper divisors (90141228).

120001012 is a wasteful number, since it uses less digits than its factorization.

120001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20070 (or 20068 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 120001012 is about 10954.4973412750. The cubic root of 120001012 is about 493.2438014214.

Adding to 120001012 its reverse (210100021), we get a palindrome (330101033).

Subtracting 120001012 from its reverse (210100021), we obtain a palindrome (90099009).

The spelling of 120001012 in words is "one hundred twenty million, one thousand, twelve".