1001023212300 has 144 divisors (see below), whose sum is σ = 2970570204672. Its totient is φ = 260109734400.

The previous prime is 1001023212283. The next prime is 1001023212323. The reversal of 1001023212300 is 32123201001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1001023212300.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10073457 + ... + 10172343.

Almost surely, 2^{1001023212300} is an apocalyptic number.

1001023212300 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 1001023212300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1485285102336).

1001023212300 is an abundant number, since it is smaller than the sum of its proper divisors (1969546992372).

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

1001023212300 is a wasteful number, since it uses less digits than its factorization.

1001023212300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99768 (or 99761 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1001023212300 its reverse (32123201001), we get a palindrome (1033146413301).

The spelling of 1001023212300 in words is "one trillion, one billion, twenty-three million, two hundred twelve thousand, three hundred".