1002123221130 has 48 divisors (see below), whose sum is σ = 2605700624904. Its totient is φ = 267214371840.

The previous prime is 1002123221101. The next prime is 1002123221173. The reversal of 1002123221130 is 311223212001.

1002123221130 is a `hidden beast` number, since 1 + 0 + 0 + 212 + 322 + 1 + 130 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 992189311569 + 9933909561 = 996087^2 + 99669^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 948550 + ... + 1704110.

Almost surely, 2^{1002123221130} is an apocalyptic number.

1002123221130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002123221130 is an abundant number, since it is smaller than the sum of its proper divisors (1603577403774).

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

1002123221130 is a wasteful number, since it uses less digits than its factorization.

1002123221130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770311 (or 770308 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1002123221130 its reverse (311223212001), we get a palindrome (1313346433131).

The spelling of 1002123221130 in words is "one trillion, two billion, one hundred twenty-three million, two hundred twenty-one thousand, one hundred thirty".