13212212430402 has 128 divisors (see below), whose sum is σ = 29877375467520. Its totient is φ = 4327157790720.

The previous prime is 13212212430383. The next prime is 13212212430409. The reversal of 13212212430402 is 20403421221231.

13212212430402 is a `hidden beast` number, since 1 + 3 + 2 + 1 + 2 + 212 + 43 + 0 + 402 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13212212430409) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1086435202 + ... + 1086447362.

It is an arithmetic number, because the mean of its divisors is an integer number (233416995840).

Almost surely, 2^{13212212430402} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13212212430402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14938687733760).

13212212430402 is an abundant number, since it is smaller than the sum of its proper divisors (16665163037118).

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

13212212430402 is a wasteful number, since it uses less digits than its factorization.

13212212430402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13565 (or 13559 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 13212212430402 its reverse (20403421221231), we get a palindrome (33615633651633).

The spelling of 13212212430402 in words is "thirteen trillion, two hundred twelve billion, two hundred twelve million, four hundred thirty thousand, four hundred two".