1068061778412 has 24 divisors (see below), whose sum is σ = 2638740864816. Its totient is φ = 335078204928.

The previous prime is 1068061778411. The next prime is 1068061778417. The reversal of 1068061778412 is 2148771608601.

It is a super-2 number, since 2×1068061778412² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (1068061778411) 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, 2617798273 + ... + 2617798680.

It is an arithmetic number, because the mean of its divisors is an integer number (109947536034).

Almost surely, 2^{1068061778412} is an apocalyptic number.

1068061778412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1068061778412 is an abundant number, since it is smaller than the sum of its proper divisors (1570679086404).

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

1068061778412 is a wasteful number, since it uses less digits than its factorization.

1068061778412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5235596977 (or 5235596975 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 51.

The spelling of 1068061778412 in words is "one trillion, sixty-eight billion, sixty-one million, seven hundred seventy-eight thousand, four hundred twelve".