28212115836146 has 16 divisors (see below), whose sum is σ = 46177754323968. Its totient is φ = 12820224054000.

The previous prime is 28212115836089. The next prime is 28212115836199. The reversal of 28212115836146 is 64163851121282.

It is a junction number, because it is equal to n+sod(n) for n = 28212115836094 and 28212115836103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173164850 + ... + 173327693.

It is an arithmetic number, because the mean of its divisors is an integer number (2886109645248).

Almost surely, 2^{28212115836146} is an apocalyptic number.

28212115836146 is a deficient number, since it is larger than the sum of its proper divisors (17965638487822).

28212115836146 is a wasteful number, since it uses less digits than its factorization.

28212115836146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346496257.

The product of its digits is 1105920, while the sum is 50.

The spelling of 28212115836146 in words is "twenty-eight trillion, two hundred twelve billion, one hundred fifteen million, eight hundred thirty-six thousand, one hundred forty-six".