1020013312253 has 16 divisors (see below), whose sum is σ = 1125840231936. Its totient is φ = 918238177920.

The previous prime is 1020013312243. The next prime is 1020013312261. The reversal of 1020013312253 is 3522133100201.

It is a cyclic number.

It is not a de Polignac number, because 1020013312253 - 2⁶ = 1020013312189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020013312243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2798801 + ... + 3142182.

It is an arithmetic number, because the mean of its divisors is an integer number (70365014496).

Almost surely, 2^{1020013312253} is an apocalyptic number.

1020013312253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1020013312253 is a deficient number, since it is larger than the sum of its proper divisors (105826919683).

1020013312253 is a wasteful number, since it uses less digits than its factorization.

1020013312253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5941324.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 1020013312253 its reverse (3522133100201), we get a palindrome (4542146412454).

The spelling of 1020013312253 in words is "one trillion, twenty billion, thirteen million, three hundred twelve thousand, two hundred fifty-three".