1200001010102 has 8 divisors (see below), whose sum is σ = 1809327948456. Its totient is φ = 596891693952.

The previous prime is 1200001010099. The next prime is 1200001010123. The reversal of 1200001010102 is 2010101000021.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1200001010102.

It is a congruent number.

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, 1554405068 + ... + 1554405839.

It is an arithmetic number, because the mean of its divisors is an integer number (226165993557).

Almost surely, 2^{1200001010102} is an apocalyptic number.

1200001010102 is a deficient number, since it is larger than the sum of its proper divisors (609326938354).

1200001010102 is a wasteful number, since it uses less digits than its factorization.

1200001010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3108811102.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1200001010102 its reverse (2010101000021), we get a palindrome (3210102010123).

The spelling of 1200001010102 in words is "one trillion, two hundred billion, one million, ten thousand, one hundred two".