1200000122102 has 8 divisors (see below), whose sum is σ = 1805863376856. Its totient is φ = 598045663152.

The previous prime is 1200000122011. The next prime is 1200000122117. The reversal of 1200000122102 is 2012210000021.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 977198183 + ... + 977199410.

It is an arithmetic number, because the mean of its divisors is an integer number (225732922107).

Almost surely, 2^{1200000122102} is an apocalyptic number.

1200000122102 is a deficient number, since it is larger than the sum of its proper divisors (605863254754).

1200000122102 is a wasteful number, since it uses less digits than its factorization.

1200000122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954397902.

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

Adding to 1200000122102 its reverse (2012210000021), we get a palindrome (3212210122123).

The spelling of 1200000122102 in words is "one trillion, two hundred billion, one hundred twenty-two thousand, one hundred two".