122101252040 has 32 divisors (see below), whose sum is σ = 274739014080. Its totient is φ = 48838510272.

The previous prime is 122101252037. The next prime is 122101252099. The reversal of 122101252040 is 40252101221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1299527 + ... + 1390313.

It is an arithmetic number, because the mean of its divisors is an integer number (8585594190).

Almost surely, 2^122101252040 is an apocalyptic number.

122101252040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122101252040 is an abundant number, since it is smaller than the sum of its proper divisors (152637762040).

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

122101252040 is a wasteful number, since it uses less digits than its factorization.

122101252040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124421 (or 124417 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 122101252040 its reverse (40252101221), we get a palindrome (162353353261).

The spelling of 122101252040 in words is "one hundred twenty-two billion, one hundred one million, two hundred fifty-two thousand, forty".