1020012131330 has 8 divisors (see below), whose sum is σ = 1836021836412. Its totient is φ = 408004852528.

The previous prime is 1020012131311. The next prime is 1020012131381. The reversal of 1020012131330 is 331312100201.

It can be written as a sum of positive squares in 2 ways, for example, as 1008001944049 + 12010187281 = 1003993^2 + 109591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1020012131299 and 1020012131308.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 51000606557 + ... + 51000606576.

Almost surely, 2^{1020012131330} is an apocalyptic number.

1020012131330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020012131330 is a deficient number, since it is larger than the sum of its proper divisors (816009705082).

1020012131330 is a wasteful number, since it uses less digits than its factorization.

1020012131330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102001213140.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1020012131330 its reverse (331312100201), we get a palindrome (1351324231531).

The spelling of 1020012131330 in words is "one trillion, twenty billion, twelve million, one hundred thirty-one thousand, three hundred thirty".