1013212121023 has 8 divisors (see below), whose sum is σ = 1058233458960. Its totient is φ = 969119058240.

The previous prime is 1013212120993. The next prime is 1013212121059. The reversal of 1013212121023 is 3201212123101.

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

It is a cyclic number.

It is not a de Polignac number, because 1013212121023 - 2²¹ = 1013210023871 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 (1013212121083) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 232066558 + ... + 232070923.

It is an arithmetic number, because the mean of its divisors is an integer number (132279182370).

Almost surely, 2^{1013212121023} is an apocalyptic number.

1013212121023 is a deficient number, since it is larger than the sum of its proper divisors (45021337937).

1013212121023 is an equidigital number, since it uses as much as digits as its factorization.

1013212121023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464137577.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1013212121023 its reverse (3201212123101), we get a palindrome (4214424244124).

The spelling of 1013212121023 in words is "one trillion, thirteen billion, two hundred twelve million, one hundred twenty-one thousand, twenty-three".