1012220100122 has 32 divisors (see below), whose sum is σ = 1899719720064. Its totient is φ = 392967993600.

The previous prime is 1012220099999. The next prime is 1012220100131. The reversal of 1012220100122 is 2210010222101.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1012220100097 and 1012220100106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11652203 + ... + 11738750.

It is an arithmetic number, because the mean of its divisors is an integer number (59366241252).

Almost surely, 2^{1012220100122} is an apocalyptic number.

1012220100122 is a deficient number, since it is larger than the sum of its proper divisors (887499619942).

1012220100122 is a wasteful number, since it uses less digits than its factorization.

1012220100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23391254.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1012220100122 its reverse (2210010222101), we get a palindrome (3222230322223).

The spelling of 1012220100122 in words is "one trillion, twelve billion, two hundred twenty million, one hundred thousand, one hundred twenty-two".