122143144219990 has 64 divisors (see below), whose sum is σ = 240922582891200. Its totient is φ = 44378337611776.

The previous prime is 122143144219937. The next prime is 122143144220033. The reversal of 122143144219990 is 99912441341221.

122143144219990 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 5931201 + ... + 16717219.

It is an arithmetic number, because the mean of its divisors is an integer number (3764415357675).

Almost surely, 2^{122143144219990} is an apocalyptic number.

122143144219990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122143144219990 is a deficient number, since it is larger than the sum of its proper divisors (118779438671210).

122143144219990 is a wasteful number, since it uses less digits than its factorization.

122143144219990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10788369.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The spelling of 122143144219990 in words is "one hundred twenty-two trillion, one hundred forty-three billion, one hundred forty-four million, two hundred nineteen thousand, nine hundred ninety".