13030021201212 has 18 divisors (see below), whose sum is σ = 32936998036488. Its totient is φ = 4343340400392.

The previous prime is 13030021201207. The next prime is 13030021201213. The reversal of 13030021201212 is 21210212003031.

13030021201212 is a `hidden beast` number, since 1 + 30 + 300 + 2 + 120 + 1 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×13030021201212² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13030021201213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180972516648 + ... + 180972516719.

Almost surely, 2^{13030021201212} is an apocalyptic number.

13030021201212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13030021201212 is an abundant number, since it is smaller than the sum of its proper divisors (19906976835276).

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

13030021201212 is a wasteful number, since it uses less digits than its factorization.

13030021201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361945033377 (or 361945033372 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13030021201212 its reverse (21210212003031), we get a palindrome (34240233204243).

The spelling of 13030021201212 in words is "thirteen trillion, thirty billion, twenty-one million, two hundred one thousand, two hundred twelve".