1220066134015 has 16 divisors (see below), whose sum is σ = 1511356181760. Its totient is φ = 944537045760.

The previous prime is 1220066133967. The next prime is 1220066134081. The reversal of 1220066134015 is 5104316600221.

It is a happy number.

It is not a de Polignac number, because 1220066134015 - 2¹¹ = 1220066131967 is a prime.

It is a super-2 number, since 2×1220066134015² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5542881 + ... + 5758789.

It is an arithmetic number, because the mean of its divisors is an integer number (94459761360).

Almost surely, 2^{1220066134015} is an apocalyptic number.

1220066134015 is a deficient number, since it is larger than the sum of its proper divisors (291290047745).

1220066134015 is a wasteful number, since it uses less digits than its factorization.

1220066134015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252402.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 1220066134015 in words is "one trillion, two hundred twenty billion, sixty-six million, one hundred thirty-four thousand, fifteen".