1200122112004 has 6 divisors (see below), whose sum is σ = 2100213696014. Its totient is φ = 600061056000.

The previous prime is 1200122111989. The next prime is 1200122112019. The reversal of 1200122112004 is 4002112210021.

It is an interprime number because it is at equal distance from previous prime (1200122111989) and next prime (1200122112019).

It can be written as a sum of positive squares in only one way, i.e., 1187332763904 + 12789348100 = 1089648^2 + 113090^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150015263997 + ... + 150015264004.

Almost surely, 2^{1200122112004} is an apocalyptic number.

It is an amenable number.

1200122112004 is a deficient number, since it is larger than the sum of its proper divisors (900091584010).

1200122112004 is a wasteful number, since it uses less digits than its factorization.

1200122112004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300030528005 (or 300030528003 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1200122112004 its reverse (4002112210021), we get a palindrome (5202234322025).

The spelling of 1200122112004 in words is "one trillion, two hundred billion, one hundred twenty-two million, one hundred twelve thousand, four".