1001002230120 has 128 divisors (see below), whose sum is σ = 3206770560000. Its totient is φ = 249415434240.

The previous prime is 1001002230101. The next prime is 1001002230161. The reversal of 1001002230120 is 210322001001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1001002230096 and 1001002230105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4531545 + ... + 4747304.

It is an arithmetic number, because the mean of its divisors is an integer number (25052895000).

Almost surely, 2^{1001002230120} is an apocalyptic number.

1001002230120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001002230120 is an abundant number, since it is smaller than the sum of its proper divisors (2205768329880).

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

1001002230120 is a wasteful number, since it uses less digits than its factorization.

1001002230120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9278923 (or 9278919 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1001002230120 its reverse (210322001001), we get a palindrome (1211324231121).

The spelling of 1001002230120 in words is "one trillion, one billion, two million, two hundred thirty thousand, one hundred twenty".