13012212300 has 144 divisors (see below), whose sum is σ = 38020795680. Its totient is φ = 3435816960.

The previous prime is 13012212293. The next prime is 13012212331. The reversal of 13012212300 is 321221031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13012212300.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21226794 + ... + 21227406.

Almost surely, 2^13012212300 is an apocalyptic number.

13012212300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13012212300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19010397840).

13012212300 is an abundant number, since it is smaller than the sum of its proper divisors (25008583380).

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

13012212300 is a wasteful number, since it uses less digits than its factorization.

13012212300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13012212300 its reverse (321221031), we get a palindrome (13333433331).

The spelling of 13012212300 in words is "thirteen billion, twelve million, two hundred twelve thousand, three hundred".