4012781361302 has 128 divisors (see below), whose sum is σ = 7217400250368. Its totient is φ = 1637292528000.

The previous prime is 4012781361301. The next prime is 4012781361311. The reversal of 4012781361302 is 2031631872104.

It is a super-2 number, since 2×4012781361302² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012781361301) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 4082177903 + ... + 4082178885.

It is an arithmetic number, because the mean of its divisors is an integer number (56385939456).

Almost surely, 2^{4012781361302} is an apocalyptic number.

4012781361302 is a deficient number, since it is larger than the sum of its proper divisors (3204618889066).

4012781361302 is a wasteful number, since it uses less digits than its factorization.

4012781361302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 4012781361302 in words is "four trillion, twelve billion, seven hundred eighty-one million, three hundred sixty-one thousand, three hundred two".