102012002121201 has 16 divisors (see below), whose sum is σ = 136834170891264. Its totient is φ = 67598939412944.

The previous prime is 102012002121187. The next prime is 102012002121223. The reversal of 102012002121201 is 102121200210201.

It is a cyclic number.

It is not a de Polignac number, because 102012002121201 - 2¹⁸ = 102012001859057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102012002121251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15913630 + ... + 21383816.

It is an arithmetic number, because the mean of its divisors is an integer number (8552135680704).

Almost surely, 2^{102012002121201} is an apocalyptic number.

It is an amenable number.

102012002121201 is a deficient number, since it is larger than the sum of its proper divisors (34822168770063).

102012002121201 is a wasteful number, since it uses less digits than its factorization.

102012002121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5507580.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102012002121201 its reverse (102121200210201), we get a palindrome (204133202331402).

The spelling of 102012002121201 in words is "one hundred two trillion, twelve billion, two million, one hundred twenty-one thousand, two hundred one".