1301321542122 has 96 divisors (see below), whose sum is σ = 3339211060224. Its totient is φ = 358412083200.

The previous prime is 1301321542099. The next prime is 1301321542123. The reversal of 1301321542122 is 2212451231031.

It is a happy number.

1301321542122 is a `hidden beast` number, since 1 + 3 + 0 + 1 + 3 + 215 + 421 + 22 = 666.

It is not an unprimeable number, because it can be changed into a prime (1301321542123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 355672 + ... + 1652012.

It is an arithmetic number, because the mean of its divisors is an integer number (34783448544).

Almost surely, 2^{1301321542122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1301321542122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1669605530112).

1301321542122 is an abundant number, since it is smaller than the sum of its proper divisors (2037889518102).

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

1301321542122 is a wasteful number, since it uses less digits than its factorization.

1301321542122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296644 (or 1296641 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 1301321542122 its reverse (2212451231031), we get a palindrome (3513772773153).

The spelling of 1301321542122 in words is "one trillion, three hundred one billion, three hundred twenty-one million, five hundred forty-two thousand, one hundred twenty-two".