1012220325340 has 72 divisors (see below), whose sum is σ = 2478343301280. Its totient is φ = 346256281728.

The previous prime is 1012220325331. The next prime is 1012220325341. The reversal of 1012220325340 is 435230222101.

It is a super-2 number, since 2×1012220325340² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012220325341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 746179 + ... + 1606618.

It is an arithmetic number, because the mean of its divisors is an integer number (34421434740).

Almost surely, 2^{1012220325340} is an apocalyptic number.

1012220325340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012220325340 is an abundant number, since it is smaller than the sum of its proper divisors (1466122975940).

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

1012220325340 is a wasteful number, since it uses less digits than its factorization.

1012220325340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2353259 (or 2353250 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 1012220325340 its reverse (435230222101), we get a palindrome (1447450547441).

The spelling of 1012220325340 in words is "one trillion, twelve billion, two hundred twenty million, three hundred twenty-five thousand, three hundred forty".