1220066426106 has 48 divisors (see below), whose sum is σ = 2884846749408. Its totient is φ = 369582050400.

The previous prime is 1220066426077. The next prime is 1220066426123. The reversal of 1220066426106 is 6016246600221.

1220066426106 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 0 + 6 + 642 + 6 + 1 + 0 + 6 = 666.

It is a super-2 number, since 2×1220066426106² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 581316 + ... + 1666751.

It is an arithmetic number, because the mean of its divisors is an integer number (60100973946).

Almost surely, 2^{1220066426106} is an apocalyptic number.

1220066426106 is an abundant number, since it is smaller than the sum of its proper divisors (1664780323302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220066426106 is a wasteful number, since it uses less digits than its factorization.

1220066426106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250827 (or 2250824 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 1220066426106 in words is "one trillion, two hundred twenty billion, sixty-six million, four hundred twenty-six thousand, one hundred six".