1210020010002 has 96 divisors (see below), whose sum is σ = 2735531495424. Its totient is φ = 400867088400.

The previous prime is 1210020009959. The next prime is 1210020010007. The reversal of 1210020010002 is 2000100200121.

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 (1210020010007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52436127 + ... + 52459197.

It is an arithmetic number, because the mean of its divisors is an integer number (28495119744).

Almost surely, 2^{1210020010002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210020010002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1367765747712).

1210020010002 is an abundant number, since it is smaller than the sum of its proper divisors (1525511485422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1210020010002 is a wasteful number, since it uses less digits than its factorization.

1210020010002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23746 (or 23734 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1210020010002 its reverse (2000100200121), we get a palindrome (3210120210123).

The spelling of 1210020010002 in words is "one trillion, two hundred ten billion, twenty million, ten thousand, two".