1002212020120 has 64 divisors (see below), whose sum is σ = 2296446253920. Its totient is φ = 393553357824.

The previous prime is 1002212020099. The next prime is 1002212020127. The reversal of 1002212020120 is 210202122001.

It is a happy number.

It is a super-2 number, since 2×1002212020120² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1002212020120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002212020127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147084 + ... + 1423396.

Almost surely, 2^{1002212020120} is an apocalyptic number.

1002212020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002212020120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1148223126960).

1002212020120 is an abundant number, since it is smaller than the sum of its proper divisors (1294234233800).

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

1002212020120 is a wasteful number, since it uses less digits than its factorization.

1002212020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276684 (or 1276680 counting only the distinct ones).

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

Adding to 1002212020120 its reverse (210202122001), we get a palindrome (1212414142121).

The spelling of 1002212020120 in words is "one trillion, two billion, two hundred twelve million, twenty thousand, one hundred twenty".