1213100112301 has 48 divisors (see below), whose sum is σ = 1557912742272. Its totient is φ = 933971472000.

The previous prime is 1213100112299. The next prime is 1213100112313. The reversal of 1213100112301 is 1032110013121.

It is a happy number.

It is not a de Polignac number, because 1213100112301 - 2¹ = 1213100112299 is a prime.

It is a super-2 number, since 2×1213100112301² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213100112391) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26488915 + ... + 26534671.

It is an arithmetic number, because the mean of its divisors is an integer number (32456515464).

Almost surely, 2^{1213100112301} is an apocalyptic number.

1213100112301 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1213100112301 is a deficient number, since it is larger than the sum of its proper divisors (344812629971).

1213100112301 is a wasteful number, since it uses less digits than its factorization.

1213100112301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46370 (or 46363 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1213100112301 its reverse (1032110013121), we get a palindrome (2245210125422).

The spelling of 1213100112301 in words is "one trillion, two hundred thirteen billion, one hundred million, one hundred twelve thousand, three hundred one".