122420433140 has 12 divisors (see below), whose sum is σ = 257082909636. Its totient is φ = 48968173248.

The previous prime is 122420433119. The next prime is 122420433169. The reversal of 122420433140 is 41334024221.

It can be written as a sum of positive squares in 2 ways, for example, as 55091600656 + 67328832484 = 234716^2 + 259478^2 .

It is a super-3 number, since 3×122420433140³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

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, 3060510809 + ... + 3060510848.

It is an arithmetic number, because the mean of its divisors is an integer number (21423575803).

Almost surely, 2^122420433140 is an apocalyptic number.

122420433140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122420433140 is an abundant number, since it is smaller than the sum of its proper divisors (134662476496).

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

122420433140 is a wasteful number, since it uses less digits than its factorization.

122420433140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6121021666 (or 6121021664 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 122420433140 its reverse (41334024221), we get a palindrome (163754457361).

The spelling of 122420433140 in words is "one hundred twenty-two billion, four hundred twenty million, four hundred thirty-three thousand, one hundred forty".