1213702426132 has 72 divisors (see below), whose sum is σ = 2481982449408. Its totient is φ = 517795488000.

The previous prime is 1213702426093. The next prime is 1213702426163. The reversal of 1213702426132 is 2316242073121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238586493 + ... + 238591579.

It is an arithmetic number, because the mean of its divisors is an integer number (34471978464).

Almost surely, 2^{1213702426132} 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 1213702426132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1240991224704).

1213702426132 is an abundant number, since it is smaller than the sum of its proper divisors (1268280023276).

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

1213702426132 is a wasteful number, since it uses less digits than its factorization.

1213702426132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10397 (or 10388 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

Adding to 1213702426132 its reverse (2316242073121), we get a palindrome (3529944499253).

The spelling of 1213702426132 in words is "one trillion, two hundred thirteen billion, seven hundred two million, four hundred twenty-six thousand, one hundred thirty-two".