1213060958881 has 8 divisors (see below), whose sum is σ = 1284540012000. Its totient is φ = 1141595519808.

The previous prime is 1213060958831. The next prime is 1213060958897. The reversal of 1213060958881 is 1888590603121.

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 1213060958881 - 2¹⁵ = 1213060926113 is a prime.

It is a super-2 number, since 2×1213060958881² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213060958821) 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, 3219771 + ... + 3576736.

It is an arithmetic number, because the mean of its divisors is an integer number (160567501500).

Almost surely, 2^{1213060958881} is an apocalyptic number.

It is an amenable number.

1213060958881 is a deficient number, since it is larger than the sum of its proper divisors (71479053119).

1213060958881 is a wasteful number, since it uses less digits than its factorization.

1213060958881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6807023.

The product of its (nonzero) digits is 829440, while the sum is 52.

The spelling of 1213060958881 in words is "one trillion, two hundred thirteen billion, sixty million, nine hundred fifty-eight thousand, eight hundred eighty-one".