1012123302011 has 8 divisors (see below), whose sum is σ = 1063216778400. Its totient is φ = 961620501952.

The previous prime is 1012123302007. The next prime is 1012123302023. The reversal of 1012123302011 is 1102033212101.

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

It is a cyclic number.

It is not a de Polignac number, because 1012123302011 - 2² = 1012123302007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012123302061) 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, 147665570 + ... + 147672423.

It is an arithmetic number, because the mean of its divisors is an integer number (132902097300).

Almost surely, 2^{1012123302011} is an apocalyptic number.

1012123302011 is a deficient number, since it is larger than the sum of its proper divisors (51093476389).

1012123302011 is a wasteful number, since it uses less digits than its factorization.

1012123302011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295338165.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1012123302011 its reverse (1102033212101), we get a palindrome (2114156514112).

The spelling of 1012123302011 in words is "one trillion, twelve billion, one hundred twenty-three million, three hundred two thousand, eleven".