120012101210001 has 384 divisors, whose sum is σ = 229756413358080. Its totient is φ = 53758349568000.

The previous prime is 120012101209997. The next prime is 120012101210009. The reversal of 120012101210001 is 100012101210021.

It is not a de Polignac number, because 120012101210001 - 2² = 120012101209997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120012101210009) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 12121205151 + ... + 12121215051.

It is an arithmetic number, because the mean of its divisors is an integer number (598323993120).

Almost surely, 2^{120012101210001} is an apocalyptic number.

120012101210001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120012101210001 is a deficient number, since it is larger than the sum of its proper divisors (109744312148079).

120012101210001 is a wasteful number, since it uses less digits than its factorization.

120012101210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10117 (or 10074 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120012101210001 its reverse (100012101210021), we get a palindrome (220024202420022).

The spelling of 120012101210001 in words is "one hundred twenty trillion, twelve billion, one hundred one million, two hundred ten thousand, one".