1207812856410 has 24 divisors (see below), whose sum is σ = 3140313426900. Its totient is φ = 322083428352.

The previous prime is 1207812856409. The next prime is 1207812856463. The reversal of 1207812856410 is 146582187021.

1207812856410 is a `hidden beast` number, since 1 + 2 + 0 + 7 + 81 + 2 + 8 + 564 + 1 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1150906276809 + 56906579601 = 1072803^2 + 238551^2 .

It is a super-2 number, since 2×1207812856410² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6710071335 + ... + 6710071514.

Almost surely, 2^{1207812856410} is an apocalyptic number.

1207812856410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1207812856410 is an abundant number, since it is smaller than the sum of its proper divisors (1932500570490).

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

1207812856410 is a wasteful number, since it uses less digits than its factorization.

1207812856410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13420142862 (or 13420142859 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The spelling of 1207812856410 in words is "one trillion, two hundred seven billion, eight hundred twelve million, eight hundred fifty-six thousand, four hundred ten".