102012131204 has 6 divisors (see below), whose sum is σ = 178521229614.
Its totient is φ = 51006065600.
The previous prime is 102012131197. The next prime is 102012131231. The reversal of 102012131204 is 402131210201.
102012131204 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 72335178304 + 29676952900 = 268952^2 + 172270^2
It is a super-2 number, since 2×1020121312042 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12751516397 + ... + 12751516404.
It is an arithmetic number, because the mean of its divisors is an integer number (29753538269).
Almost surely, 2102012131204 is an apocalyptic number.
It is an amenable number.
102012131204 is a deficient number, since it is larger than the sum of its proper divisors (76509098410).
102012131204 is a wasteful number, since it uses less digits than its factorization.
102012131204 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25503032805 (or 25503032803 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 102012131204 its reverse (402131210201), we get a palindrome (504143341405).
The spelling of 102012131204 in words is "one hundred two billion, twelve million, one hundred thirty-one thousand, two hundred four".