1406212886871 has 32 divisors (see below), whose sum is σ = 2243601489920. Its totient is φ = 865334407392.

The previous prime is 1406212886839. The next prime is 1406212886927. The reversal of 1406212886871 is 1786882126041.

1406212886871 is a `hidden beast` number, since 1 + 4 + 0 + 621 + 2 + 8 + 8 + 6 + 8 + 7 + 1 = 666.

It is not a de Polignac number, because 1406212886871 - 2⁵ = 1406212886839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406212886801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21240006 + ... + 21306108.

It is an arithmetic number, because the mean of its divisors is an integer number (70112546560).

Almost surely, 2^{1406212886871} is an apocalyptic number.

1406212886871 is a deficient number, since it is larger than the sum of its proper divisors (837388603049).

1406212886871 is a wasteful number, since it uses less digits than its factorization.

1406212886871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126732 (or 126726 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 54.

The spelling of 1406212886871 in words is "one trillion, four hundred six billion, two hundred twelve million, eight hundred eighty-six thousand, eight hundred seventy-one".