103512788212 has 6 divisors (see below), whose sum is σ = 181147379378. Its totient is φ = 51756394104.

The previous prime is 103512788167. The next prime is 103512788213. The reversal of 103512788212 is 212887215301.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 91014442596 + 12498345616 = 301686^2 + 111796^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103512788213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12939098523 + ... + 12939098530.

Almost surely, 2^103512788212 is an apocalyptic number.

It is an amenable number.

103512788212 is a deficient number, since it is larger than the sum of its proper divisors (77634591166).

103512788212 is a wasteful number, since it uses less digits than its factorization.

103512788212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25878197057 (or 25878197055 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 103512788212 in words is "one hundred three billion, five hundred twelve million, seven hundred eighty-eight thousand, two hundred twelve".