1020020212001 has 8 divisors (see below), whose sum is σ = 1166047369344. Its totient is φ = 874070550720.

The previous prime is 1020020211961. The next prime is 1020020212009. The reversal of 1020020212001 is 1002120200201.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020020212001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020020212009) 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, 19345805 + ... + 19398458.

It is an arithmetic number, because the mean of its divisors is an integer number (145755921168).

Almost surely, 2^{1020020212001} is an apocalyptic number.

It is an amenable number.

1020020212001 is a deficient number, since it is larger than the sum of its proper divisors (146027157343).

1020020212001 is an equidigital number, since it uses as much as digits as its factorization.

1020020212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38748031.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1020020212001 its reverse (1002120200201), we get a palindrome (2022140412202).

The spelling of 1020020212001 in words is "one trillion, twenty billion, twenty million, two hundred twelve thousand, one".