1351122240000 has 400 divisors, whose sum is σ = 4843940092992. Its totient is φ = 332580864000.

The previous prime is 1351122239993. The next prime is 1351122240007. The reversal of 1351122240000 is 422211531.

It is an interprime number because it is at equal distance from previous prime (1351122239993) and next prime (1351122240007).

It is a tau number, because it is divible by the number of its divisors (400).

It is not an unprimeable number, because it can be changed into a prime (1351122240007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12425869 + ... + 12534131.

Almost surely, 2^{1351122240000} is an apocalyptic number.

1351122240000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1351122240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2421970046496).

1351122240000 is an abundant number, since it is smaller than the sum of its proper divisors (3492817852992).

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

1351122240000 is an equidigital number, since it uses as much as digits as its factorization.

1351122240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108317 (or 108286 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 1351122240000 its reverse (422211531), we get a palindrome (1351544451531).

The spelling of 1351122240000 in words is "one trillion, three hundred fifty-one billion, one hundred twenty-two million, two hundred forty thousand".