103012231220 has 24 divisors (see below), whose sum is σ = 227711248800. Its totient is φ = 39036213792.

The previous prime is 103012231213. The next prime is 103012231279. The reversal of 103012231220 is 22132210301.

It is a super-2 number, since 2×103012231220² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135542030 + ... + 135542789.

It is an arithmetic number, because the mean of its divisors is an integer number (9487968700).

Almost surely, 2^103012231220 is an apocalyptic number.

103012231220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103012231220 is an abundant number, since it is smaller than the sum of its proper divisors (124699017580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103012231220 is a wasteful number, since it uses less digits than its factorization.

103012231220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271084847 (or 271084845 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 103012231220 its reverse (22132210301), we get a palindrome (125144441521).

The spelling of 103012231220 in words is "one hundred three billion, twelve million, two hundred thirty-one thousand, two hundred twenty".