1000122112002 has 64 divisors (see below), whose sum is σ = 2159610558336. Its totient is φ = 306944501760.

The previous prime is 1000122111979. The next prime is 1000122112021. The reversal of 1000122112002 is 2002112210001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162275373 + ... + 162281535.

It is an arithmetic number, because the mean of its divisors is an integer number (33743914974).

Almost surely, 2^{1000122112002} is an apocalyptic number.

1000122112002 is an abundant number, since it is smaller than the sum of its proper divisors (1159488446334).

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

1000122112002 is a wasteful number, since it uses less digits than its factorization.

1000122112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11155.

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

Adding to 1000122112002 its reverse (2002112210001), we get a palindrome (3002234322003).

The spelling of 1000122112002 in words is "one trillion, one hundred twenty-two million, one hundred twelve thousand, two".