1067217970820 has 48 divisors (see below), whose sum is σ = 2338699184640. Its totient is φ = 408309449856.

The previous prime is 1067217970787. The next prime is 1067217970859. The reversal of 1067217970820 is 280797127601.

It is a happy number.

It is a super-2 number, since 2×1067217970820² (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 15 ways as a sum of consecutive naturals, for example, 17481269 + ... + 17542211.

It is an arithmetic number, because the mean of its divisors is an integer number (48722899680).

Almost surely, 2^{1067217970820} is an apocalyptic number.

1067217970820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1067217970820 is an abundant number, since it is smaller than the sum of its proper divisors (1271481213820).

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

1067217970820 is a wasteful number, since it uses less digits than its factorization.

1067217970820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99044 (or 99042 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 50.

The spelling of 1067217970820 in words is "one trillion, sixty-seven billion, two hundred seventeen million, nine hundred seventy thousand, eight hundred twenty".