1012120199951 has 8 divisors (see below), whose sum is σ = 1158583535520. Its totient is φ = 866125548288.

The previous prime is 1012120199939. The next prime is 1012120199953. The reversal of 1012120199951 is 1599910212101.

1012120199951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1012120199951 - 2⁶ = 1012120199887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012120199899 and 1012120199908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012120199953) 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, 117166346 + ... + 117174983.

It is an arithmetic number, because the mean of its divisors is an integer number (144822941940).

Almost surely, 2^{1012120199951} is an apocalyptic number.

1012120199951 is a deficient number, since it is larger than the sum of its proper divisors (146463335569).

1012120199951 is an equidigital number, since it uses as much as digits as its factorization.

1012120199951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234341953.

The product of its (nonzero) digits is 14580, while the sum is 41.

The spelling of 1012120199951 in words is "one trillion, twelve billion, one hundred twenty million, one hundred ninety-nine thousand, nine hundred fifty-one".