1213348727061 has 256 divisors, whose sum is σ = 2095563571200. Its totient is φ = 689065574400.

The previous prime is 1213348727039. The next prime is 1213348727081. The reversal of 1213348727061 is 1607278433121.

1213348727061 is a `hidden beast` number, since 1 + 213 + 34 + 87 + 270 + 61 = 666.

It is not a de Polignac number, because 1213348727061 - 2⁵ = 1213348727029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1213348726998 and 1213348727016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213348727081) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 5034641901 + ... + 5034642141.

It is an arithmetic number, because the mean of its divisors is an integer number (8185795200).

Almost surely, 2^{1213348727061} is an apocalyptic number.

It is an amenable number.

1213348727061 is a deficient number, since it is larger than the sum of its proper divisors (882214844139).

1213348727061 is a wasteful number, since it uses less digits than its factorization.

1213348727061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 1213348727061 in words is "one trillion, two hundred thirteen billion, three hundred forty-eight million, seven hundred twenty-seven thousand, sixty-one".