103551613212 has 12 divisors (see below), whose sum is σ = 241620430856. Its totient is φ = 34517204400.

The previous prime is 103551613097. The next prime is 103551613241. The reversal of 103551613212 is 212316155301.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×103551613212³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103551613212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4314650539 + ... + 4314650562.

Almost surely, 2^103551613212 is an apocalyptic number.

103551613212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103551613212 is an abundant number, since it is smaller than the sum of its proper divisors (138068817644).

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

103551613212 is a wasteful number, since it uses less digits than its factorization.

103551613212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8629301108 (or 8629301106 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 103551613212 its reverse (212316155301), we get a palindrome (315867768513).

The spelling of 103551613212 in words is "one hundred three billion, five hundred fifty-one million, six hundred thirteen thousand, two hundred twelve".