122140312234 has 64 divisors (see below), whose sum is σ = 203232706560. Its totient is φ = 54793791360.

The previous prime is 122140312223. The next prime is 122140312243. The reversal of 122140312234 is 432213041221.

It is a junction number, because it is equal to n+sod(n) for n = 122140312199 and 122140312208.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82470774 + ... + 82472254.

It is an arithmetic number, because the mean of its divisors is an integer number (3175511040).

Almost surely, 2^122140312234 is an apocalyptic number.

122140312234 is a deficient number, since it is larger than the sum of its proper divisors (81092394326).

122140312234 is a wasteful number, since it uses less digits than its factorization.

122140312234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 122140312234 its reverse (432213041221), we get a palindrome (554353353455).

The spelling of 122140312234 in words is "one hundred twenty-two billion, one hundred forty million, three hundred twelve thousand, two hundred thirty-four".