1230222133420 has 48 divisors (see below), whose sum is σ = 2952834474240. Its totient is φ = 421747395264.

The previous prime is 1230222133379. The next prime is 1230222133421. The reversal of 1230222133420 is 243312220321.

It is not an unprimeable number, because it can be changed into a prime (1230222133421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 943491 + ... + 1830469.

It is an arithmetic number, because the mean of its divisors is an integer number (61517384880).

Almost surely, 2^{1230222133420} is an apocalyptic number.

1230222133420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230222133420 is an abundant number, since it is smaller than the sum of its proper divisors (1722612340820).

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

1230222133420 is a wasteful number, since it uses less digits than its factorization.

1230222133420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896902 (or 896900 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1230222133420 its reverse (243312220321), we get a palindrome (1473534353741).

The spelling of 1230222133420 in words is "one trillion, two hundred thirty billion, two hundred twenty-two million, one hundred thirty-three thousand, four hundred twenty".