122140306650 has 24 divisors (see below), whose sum is σ = 302907960864. Its totient is φ = 32570748400.

The previous prime is 122140306627. The next prime is 122140306697. The reversal of 122140306650 is 56603041221.

It is a super-3 number, since 3×122140306650³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 407134206 + ... + 407134505.

It is an arithmetic number, because the mean of its divisors is an integer number (12621165036).

Almost surely, 2^122140306650 is an apocalyptic number.

122140306650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122140306650 is an abundant number, since it is smaller than the sum of its proper divisors (180767654214).

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

122140306650 is a wasteful number, since it uses less digits than its factorization.

122140306650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814268726 (or 814268721 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 122140306650 its reverse (56603041221), we get a palindrome (178743347871).

The spelling of 122140306650 in words is "one hundred twenty-two billion, one hundred forty million, three hundred six thousand, six hundred fifty".