1012112040205 has 32 divisors (see below), whose sum is σ = 1509410094336. Its totient is φ = 635541064704.

The previous prime is 1012112040187. The next prime is 1012112040259. The reversal of 1012112040205 is 5020402112101.

It is not a de Polignac number, because 1012112040205 - 2¹⁹ = 1012111515917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22964859 + ... + 23008888.

It is an arithmetic number, because the mean of its divisors is an integer number (47169065448).

Almost surely, 2^{1012112040205} is an apocalyptic number.

It is an amenable number.

1012112040205 is a deficient number, since it is larger than the sum of its proper divisors (497298054131).

1012112040205 is a wasteful number, since it uses less digits than its factorization.

1012112040205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45973813.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 1012112040205 its reverse (5020402112101), we get a palindrome (6032514152306).

The spelling of 1012112040205 in words is "one trillion, twelve billion, one hundred twelve million, forty thousand, two hundred five".