1220706766711 has 8 divisors (see below), whose sum is σ = 1239180520464. Its totient is φ = 1202358259200.

The previous prime is 1220706766709. The next prime is 1220706766717. The reversal of 1220706766711 is 1176676070221.

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 1220706766711 - 2¹ = 1220706766709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220706766717) 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, 31291921 + ... + 31330906.

It is an arithmetic number, because the mean of its divisors is an integer number (154897565058).

Almost surely, 2^{1220706766711} is an apocalyptic number.

1220706766711 is a deficient number, since it is larger than the sum of its proper divisors (18473753753).

1220706766711 is a wasteful number, since it uses less digits than its factorization.

1220706766711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62623121.

The product of its (nonzero) digits is 296352, while the sum is 46.

The spelling of 1220706766711 in words is "one trillion, two hundred twenty billion, seven hundred six million, seven hundred sixty-six thousand, seven hundred eleven".