1220040657086 has 4 divisors (see below), whose sum is σ = 1830060985632. Its totient is φ = 610020328542.

The previous prime is 1220040657061. The next prime is 1220040657133. The reversal of 1220040657086 is 6807560400221.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1220040657086² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305010164270 + ... + 305010164273.

It is an arithmetic number, because the mean of its divisors is an integer number (457515246408).

Almost surely, 2^{1220040657086} is an apocalyptic number.

1220040657086 is a deficient number, since it is larger than the sum of its proper divisors (610020328546).

1220040657086 is an equidigital number, since it uses as much as digits as its factorization.

1220040657086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610020328545.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 1220040657086 in words is "one trillion, two hundred twenty billion, forty million, six hundred fifty-seven thousand, eighty-six".