122031040420 has 12 divisors (see below), whose sum is σ = 256265184924. Its totient is φ = 48812416160.

The previous prime is 122031040387. The next prime is 122031040427. The reversal of 122031040420 is 24040130221.

It can be written as a sum of positive squares in 2 ways, for example, as 76774434724 + 45256605696 = 277082^2 + 212736^2 .

It is not an unprimeable number, because it can be changed into a prime (122031040427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3050775991 + ... + 3050776030.

It is an arithmetic number, because the mean of its divisors is an integer number (21355432077).

Almost surely, 2^122031040420 is an apocalyptic number.

122031040420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122031040420 is an abundant number, since it is smaller than the sum of its proper divisors (134234144504).

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

122031040420 is a wasteful number, since it uses less digits than its factorization.

122031040420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6101552030 (or 6101552028 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 122031040420 its reverse (24040130221), we get a palindrome (146071170641).

The spelling of 122031040420 in words is "one hundred twenty-two billion, thirty-one million, forty thousand, four hundred twenty".