122145325042 has 32 divisors (see below), whose sum is σ = 208095592320. Its totient is φ = 53305050240.

The previous prime is 122145325039. The next prime is 122145325121. The reversal of 122145325042 is 240523541221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 122145324995 and 122145325013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20083 + ... + 494665.

It is an arithmetic number, because the mean of its divisors is an integer number (6502987260).

Almost surely, 2^122145325042 is an apocalyptic number.

122145325042 is a deficient number, since it is larger than the sum of its proper divisors (85950267278).

122145325042 is a wasteful number, since it uses less digits than its factorization.

122145325042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475138.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 122145325042 its reverse (240523541221), we get a palindrome (362668866263).

The spelling of 122145325042 in words is "one hundred twenty-two billion, one hundred forty-five million, three hundred twenty-five thousand, forty-two".