1012321023330 has 64 divisors (see below), whose sum is σ = 2578902064128. Its totient is φ = 253439078400.

The previous prime is 1012321023277. The next prime is 1012321023331. The reversal of 1012321023330 is 333201232101.

It is a junction number, because it is equal to n+sod(n) for n = 1012321023297 and 1012321023306.

It is not an unprimeable number, because it can be changed into a prime (1012321023331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2270482 + ... + 2679501.

It is an arithmetic number, because the mean of its divisors is an integer number (40295344752).

Almost surely, 2^{1012321023330} is an apocalyptic number.

1012321023330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012321023330 is an abundant number, since it is smaller than the sum of its proper divisors (1566581040798).

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

1012321023330 is a wasteful number, since it uses less digits than its factorization.

1012321023330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4950411.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1012321023330 its reverse (333201232101), we get a palindrome (1345522255431).

The spelling of 1012321023330 in words is "one trillion, twelve billion, three hundred twenty-one million, twenty-three thousand, three hundred thirty".