103012131212 has 24 divisors (see below), whose sum is σ = 182632699200. Its totient is φ = 50831928576.

The previous prime is 103012131181. The next prime is 103012131217. The reversal of 103012131212 is 212131210301.

It is a super-2 number, since 2×103012131212² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103012131217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667364 + ... + 807092.

It is an arithmetic number, because the mean of its divisors is an integer number (7609695800).

Almost surely, 2^103012131212 is an apocalyptic number.

It is an amenable number.

103012131212 is a deficient number, since it is larger than the sum of its proper divisors (79620567988).

103012131212 is a wasteful number, since it uses less digits than its factorization.

103012131212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142145 (or 142143 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 103012131212 its reverse (212131210301), we get a palindrome (315143341513).

The spelling of 103012131212 in words is "one hundred three billion, twelve million, one hundred thirty-one thousand, two hundred twelve".