1220143140122 has 16 divisors (see below), whose sum is σ = 1835529353280. Its totient is φ = 608301799872.

The previous prime is 1220143140077. The next prime is 1220143140149. The reversal of 1220143140122 is 2210413410221.

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, 932579 + ... + 1819337.

It is an arithmetic number, because the mean of its divisors is an integer number (114720584580).

Almost surely, 2^{1220143140122} is an apocalyptic number.

1220143140122 is a deficient number, since it is larger than the sum of its proper divisors (615386213158).

1220143140122 is a wasteful number, since it uses less digits than its factorization.

1220143140122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888757.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1220143140122 its reverse (2210413410221), we get a palindrome (3430556550343).

The spelling of 1220143140122 in words is "one trillion, two hundred twenty billion, one hundred forty-three million, one hundred forty thousand, one hundred twenty-two".