102012020202001 has 16 divisors (see below), whose sum is σ = 125553703273600. Its totient is φ = 80712519424128.

The previous prime is 102012020201999. The next prime is 102012020202023. The reversal of 102012020202001 is 100202020210201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102012020202001 - 2¹ = 102012020201999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (102012020202031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25774510 + ... + 29467768.

It is an arithmetic number, because the mean of its divisors is an integer number (7847106454600).

Almost surely, 2^{102012020202001} is an apocalyptic number.

It is an amenable number.

102012020202001 is a deficient number, since it is larger than the sum of its proper divisors (23541683071599).

102012020202001 is a wasteful number, since it uses less digits than its factorization.

102012020202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3996808.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102012020202001 its reverse (100202020210201), we get a palindrome (202214040412202).

The spelling of 102012020202001 in words is "one hundred two trillion, twelve billion, twenty million, two hundred two thousand, one".