2013212321232 has 160 divisors (see below), whose sum is σ = 5984616960000. Its totient is φ = 571258811904.

The previous prime is 2013212321207. The next prime is 2013212321257. The reversal of 2013212321232 is 2321232123102.

It is an interprime number because it is at equal distance from previous prime (2013212321207) and next prime (2013212321257).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47913769 + ... + 47955767.

It is an arithmetic number, because the mean of its divisors is an integer number (37403856000).

Almost surely, 2^{2013212321232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2013212321232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2992308480000).

2013212321232 is an abundant number, since it is smaller than the sum of its proper divisors (3971404638768).

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

2013212321232 is a wasteful number, since it uses less digits than its factorization.

2013212321232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42993 (or 42987 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2013212321232 its reverse (2321232123102), we get a palindrome (4334444444334).

The spelling of 2013212321232 in words is "two trillion, thirteen billion, two hundred twelve million, three hundred twenty-one thousand, two hundred thirty-two".