1200012110101 has 8 divisors (see below), whose sum is σ = 1452115494720. Its totient is φ = 968076996288.

The previous prime is 1200012110083. The next prime is 1200012110119. The reversal of 1200012110101 is 1010112100021.

It is an interprime number because it is at equal distance from previous prime (1200012110083) and next prime (1200012110119).

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

It is not a de Polignac number, because 1200012110101 - 2⁵ = 1200012110069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200012114101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5042067571 + ... + 5042067808.

It is an arithmetic number, because the mean of its divisors is an integer number (181514436840).

Almost surely, 2^{1200012110101} is an apocalyptic number.

It is an amenable number.

1200012110101 is a deficient number, since it is larger than the sum of its proper divisors (252103384619).

1200012110101 is a wasteful number, since it uses less digits than its factorization.

1200012110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10084135403.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1200012110101 its reverse (1010112100021), we get a palindrome (2210124210122).

The spelling of 1200012110101 in words is "one trillion, two hundred billion, twelve million, one hundred ten thousand, one hundred one".