1222031142142 has 8 divisors (see below), whose sum is σ = 1837663960536. Its totient is φ = 609476488632.

The previous prime is 1222031142103. The next prime is 1222031142179. The reversal of 1222031142142 is 2412411302221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1222031142142² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 769540228 + ... + 769541815.

It is an arithmetic number, because the mean of its divisors is an integer number (229707995067).

Almost surely, 2^{1222031142142} is an apocalyptic number.

1222031142142 is a deficient number, since it is larger than the sum of its proper divisors (615632818394).

1222031142142 is a wasteful number, since it uses less digits than its factorization.

1222031142142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539082442.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1222031142142 its reverse (2412411302221), we get a palindrome (3634442444363).

The spelling of 1222031142142 in words is "one trillion, two hundred twenty-two billion, thirty-one million, one hundred forty-two thousand, one hundred forty-two".