1245512000104 has 8 divisors (see below), whose sum is σ = 2335335000210. Its totient is φ = 622756000048.

The previous prime is 1245512000069. The next prime is 1245512000113. The reversal of 1245512000104 is 4010002155421.

It can be written as a sum of positive squares in only one way, i.e., 874019312100 + 371492688004 = 934890^2 + 609502^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77844499999 + ... + 77844500014.

Almost surely, 2^{1245512000104} is an apocalyptic number.

It is an amenable number.

1245512000104 is a deficient number, since it is larger than the sum of its proper divisors (1089823000106).

1245512000104 is a wasteful number, since it uses less digits than its factorization.

1245512000104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155689000019 (or 155689000015 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 1245512000104 its reverse (4010002155421), we get a palindrome (5255514155525).

The spelling of 1245512000104 in words is "one trillion, two hundred forty-five billion, five hundred twelve million, one hundred four", and thus it is an aban number.