1012112112122 has 8 divisors (see below), whose sum is σ = 1521595185696. Its totient is φ = 504913716892.

The previous prime is 1012112112091. The next prime is 1012112112131. The reversal of 1012112112122 is 2212112112101.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1012112112122.

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, 571168478 + ... + 571170249.

It is an arithmetic number, because the mean of its divisors is an integer number (190199398212).

Almost surely, 2^{1012112112122} is an apocalyptic number.

1012112112122 is a deficient number, since it is larger than the sum of its proper divisors (509483073574).

1012112112122 is a wasteful number, since it uses less digits than its factorization.

1012112112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142339172.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1012112112122 its reverse (2212112112101), we get a palindrome (3224224224223).

The spelling of 1012112112122 in words is "one trillion, twelve billion, one hundred twelve million, one hundred twelve thousand, one hundred twenty-two".