102012030211 has 32 divisors (see below), whose sum is σ = 128076318720. Its totient is φ = 79094530944.

The previous prime is 102012030173. The next prime is 102012030223. The reversal of 102012030211 is 112030210201.

It is not a de Polignac number, because 102012030211 - 2²³ = 102003641603 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 102012030191 and 102012030200.

It is not an unprimeable number, because it can be changed into a prime (102012039211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4130646 + ... + 4155268.

It is an arithmetic number, because the mean of its divisors is an integer number (4002384960).

Almost surely, 2^102012030211 is an apocalyptic number.

102012030211 is a deficient number, since it is larger than the sum of its proper divisors (26064288509).

102012030211 is a wasteful number, since it uses less digits than its factorization.

102012030211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25555.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 102012030211 its reverse (112030210201), we get a palindrome (214042240412).

The spelling of 102012030211 in words is "one hundred two billion, twelve million, thirty thousand, two hundred eleven".