1212030013200 has 60 divisors (see below), whose sum is σ = 3882536146128. Its totient is φ = 323208003200.

The previous prime is 1212030013189. The next prime is 1212030013217. The reversal of 1212030013200 is 23100302121.

It is a tau number, because it is divible by the number of its divisors (60).

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 1212030013200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 505011306 + ... + 505013705.

Almost surely, 2^{1212030013200} is an apocalyptic number.

1212030013200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1212030013200 is an abundant number, since it is smaller than the sum of its proper divisors (2670506132928).

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

1212030013200 is a wasteful number, since it uses less digits than its factorization.

1212030013200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010025032 (or 1010025021 counting only the distinct ones).

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

Adding to 1212030013200 its reverse (23100302121), we get a palindrome (1235130315321).

The spelling of 1212030013200 in words is "one trillion, two hundred twelve billion, thirty million, thirteen thousand, two hundred".