1012010102001 has 96 divisors (see below), whose sum is σ = 1621704240000. Its totient is φ = 605574144000.

The previous prime is 1012010101997. The next prime is 1012010102009. The reversal of 1012010102001 is 1002010102101.

It is a happy number.

It is not a de Polignac number, because 1012010102001 - 2² = 1012010101997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1012010102009) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 135818326 + ... + 135825776.

It is an arithmetic number, because the mean of its divisors is an integer number (16892752500).

Almost surely, 2^{1012010102001} is an apocalyptic number.

It is an amenable number.

1012010102001 is a deficient number, since it is larger than the sum of its proper divisors (609694137999).

1012010102001 is a wasteful number, since it uses less digits than its factorization.

1012010102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8015 (or 8012 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1012010102001 its reverse (1002010102101), we get a palindrome (2014020204102).

The spelling of 1012010102001 in words is "one trillion, twelve billion, ten million, one hundred two thousand, one".