1000012210122 has 16 divisors (see below), whose sum is σ = 2003115655872. Its totient is φ = 332822197440.

The previous prime is 1000012210117. The next prime is 1000012210139. The reversal of 1000012210122 is 2210122100001.

It is a junction number, because it is equal to n+sod(n) for n = 1000012210098 and 1000012210107.

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, 128797279 + ... + 128805042.

It is an arithmetic number, because the mean of its divisors is an integer number (125194728492).

Almost surely, 2^{1000012210122} is an apocalyptic number.

1000012210122 is an abundant number, since it is smaller than the sum of its proper divisors (1003103445750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000012210122 is a wasteful number, since it uses less digits than its factorization.

1000012210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257602973.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1000012210122 its reverse (2210122100001), we get a palindrome (3210134310123).

It can be divided in two parts, 100001 and 2210122, that multiplied together give a palindrome (221014410122).

The spelling of 1000012210122 in words is "one trillion, twelve million, two hundred ten thousand, one hundred twenty-two".