102012012001 has 4 divisors (see below), whose sum is σ = 102193206192. Its totient is φ = 101830817812.

The previous prime is 102012011939. The next prime is 102012012017. The reversal of 102012012001 is 100210210201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100210210201 = 59 ⋅1698478139.

It is a cyclic number.

It is not a de Polignac number, because 102012012001 - 2³³ = 93422077409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102012012041) 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, 90596251 + ... + 90597376.

It is an arithmetic number, because the mean of its divisors is an integer number (25548301548).

Almost surely, 2^102012012001 is an apocalyptic number.

It is an amenable number.

102012012001 is a deficient number, since it is larger than the sum of its proper divisors (181194191).

102012012001 is an equidigital number, since it uses as much as digits as its factorization.

102012012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181194190.

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

Adding to 102012012001 its reverse (100210210201), we get a palindrome (202222222202).

It can be divided in two parts, 10201 and 2012001, that added together give a palindrome (2022202).

The spelling of 102012012001 in words is "one hundred two billion, twelve million, twelve thousand, one".