1206245016378 has 24 divisors (see below), whose sum is σ = 2617766761428. Its totient is φ = 401429996352.

The previous prime is 1206245016359. The next prime is 1206245016407. The reversal of 1206245016378 is 8736105426021.

1206245016378 is a `hidden beast` number, since 1 + 2 + 0 + 6 + 2 + 4 + 5 + 0 + 1 + 637 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1201463708769 + 4781307609 = 1096113^2 + 69147^2 .

It is a super-2 number, since 2×1206245016378² (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 11 ways as a sum of consecutive naturals, for example, 54294901 + ... + 54317112.

Almost surely, 2^{1206245016378} is an apocalyptic number.

1206245016378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1206245016378 is an abundant number, since it is smaller than the sum of its proper divisors (1411521745050).

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

1206245016378 is a wasteful number, since it uses less digits than its factorization.

1206245016378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108612638 (or 108612635 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 1206245016378 in words is "one trillion, two hundred six billion, two hundred forty-five million, sixteen thousand, three hundred seventy-eight".