420112233251140 has 12 divisors (see below), whose sum is σ = 882235689827436. Its totient is φ = 168044893300448.

The previous prime is 420112233251111. The next prime is 420112233251153. The reversal of 420112233251140 is 41152332211024.

It can be written as a sum of positive squares in 2 ways, for example, as 311779607627524 + 108332625623616 = 17657282^2 + 10408296^2 .

It is a super-2 number, since 2×420112233251140² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10502805831259 + ... + 10502805831298.

It is an arithmetic number, because the mean of its divisors is an integer number (73519640818953).

Almost surely, 2^{420112233251140} is an apocalyptic number.

It is an amenable number.

420112233251140 is an abundant number, since it is smaller than the sum of its proper divisors (462123456576296).

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

420112233251140 is a wasteful number, since it uses less digits than its factorization.

420112233251140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21005611662566 (or 21005611662564 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 420112233251140 its reverse (41152332211024), we get a palindrome (461264565462164).

The spelling of 420112233251140 in words is "four hundred twenty trillion, one hundred twelve billion, two hundred thirty-three million, two hundred fifty-one thousand, one hundred forty".