1200002010122 has 8 divisors (see below), whose sum is σ = 1858067628672. Its totient is φ = 580646133900.

The previous prime is 1200002010101. The next prime is 1200002010149. The reversal of 1200002010122 is 2210102000021.

It is a happy number.

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

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, 9677435504 + ... + 9677435627.

It is an arithmetic number, because the mean of its divisors is an integer number (232258453584).

Almost surely, 2^{1200002010122} is an apocalyptic number.

1200002010122 is a deficient number, since it is larger than the sum of its proper divisors (658065618550).

1200002010122 is a wasteful number, since it uses less digits than its factorization.

1200002010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19354871164.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1200002010122 its reverse (2210102000021), we get a palindrome (3410104010143).

The spelling of 1200002010122 in words is "one trillion, two hundred billion, two million, ten thousand, one hundred twenty-two".