1020013123213 has 8 divisors (see below), whose sum is σ = 1197235480832. Its totient is φ = 850667314896.

The previous prime is 1020013123211. The next prime is 1020013123229. The reversal of 1020013123213 is 3123213100201.

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

It is not a de Polignac number, because 1020013123213 - 2¹ = 1020013123211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020013123211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1969137045 + ... + 1969137562.

It is an arithmetic number, because the mean of its divisors is an integer number (149654435104).

Almost surely, 2^{1020013123213} is an apocalyptic number.

It is an amenable number.

1020013123213 is a deficient number, since it is larger than the sum of its proper divisors (177222357619).

1020013123213 is an equidigital number, since it uses as much as digits as its factorization.

1020013123213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3938274651.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1020013123213 its reverse (3123213100201), we get a palindrome (4143226223414).

The spelling of 1020013123213 in words is "one trillion, twenty billion, thirteen million, one hundred twenty-three thousand, two hundred thirteen".