1012840243201 has 4 divisors (see below), whose sum is σ = 1013644724400. Its totient is φ = 1012035762004.

The previous prime is 1012840243133. The next prime is 1012840243249. The reversal of 1012840243201 is 1023420482101.

1012840243201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1012840243201 - 2⁷ = 1012840243073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1012840243201.

It is not an unprimeable number, because it can be changed into a prime (1012840243271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402238711 + ... + 402241228.

It is an arithmetic number, because the mean of its divisors is an integer number (253411181100).

Almost surely, 2^{1012840243201} is an apocalyptic number.

It is an amenable number.

1012840243201 is a deficient number, since it is larger than the sum of its proper divisors (804481199).

1012840243201 is an equidigital number, since it uses as much as digits as its factorization.

1012840243201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804481198.

The product of its (nonzero) digits is 3072, while the sum is 28.

The spelling of 1012840243201 in words is "one trillion, twelve billion, eight hundred forty million, two hundred forty-three thousand, two hundred one".