102133123012 has 48 divisors (see below), whose sum is σ = 193006865520. Its totient is φ = 47186496000.

The previous prime is 102133123009. The next prime is 102133123031. The reversal of 102133123012 is 210321331201.

It can be written as a sum of positive squares in 8 ways, for example, as 305760196 + 101827362816 = 17486^2 + 319104^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66762 + ... + 456862.

It is an arithmetic number, because the mean of its divisors is an integer number (4020976365).

Almost surely, 2^102133123012 is an apocalyptic number.

It is an amenable number.

102133123012 is a deficient number, since it is larger than the sum of its proper divisors (90873742508).

102133123012 is a wasteful number, since it uses less digits than its factorization.

102133123012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390232 (or 390230 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 102133123012 its reverse (210321331201), we get a palindrome (312454454213).

The spelling of 102133123012 in words is "one hundred two billion, one hundred thirty-three million, one hundred twenty-three thousand, twelve".