102012012102004 has 12 divisors (see below), whose sum is σ = 178526438195364. Its totient is φ = 51004458331904.

The previous prime is 102012012101947. The next prime is 102012012102037. The reversal of 102012012102004 is 400201210210201.

It can be written as a sum of positive squares in 2 ways, for example, as 78263251609104 + 23748760492900 = 8846652^2 + 4873270^2 .

It is a super-2 number, since 2×102012012102004² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386781469 + ... + 387045124.

It is an arithmetic number, because the mean of its divisors is an integer number (14877203182947).

Almost surely, 2^{102012012102004} is an apocalyptic number.

It is an amenable number.

102012012102004 is a deficient number, since it is larger than the sum of its proper divisors (76514426093360).

102012012102004 is a wasteful number, since it uses less digits than its factorization.

102012012102004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773859554 (or 773859552 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102012012102004 its reverse (400201210210201), we get a palindrome (502213222312205).

The spelling of 102012012102004 in words is "one hundred two trillion, twelve billion, twelve million, one hundred two thousand, four".