167277220212 has 24 divisors (see below), whose sum is σ = 390447402016. Its totient is φ = 55739946528.

The previous prime is 167277220207. The next prime is 167277220289. The reversal of 167277220212 is 212022772761.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2354398 + ... + 2424405.

Almost surely, 2^167277220212 is an apocalyptic number.

167277220212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

167277220212 is an abundant number, since it is smaller than the sum of its proper divisors (223170181804).

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

167277220212 is a wasteful number, since it uses less digits than its factorization.

167277220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4781727 (or 4781725 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 39.

Adding to 167277220212 its reverse (212022772761), we get a palindrome (379299992973).

The spelling of 167277220212 in words is "one hundred sixty-seven billion, two hundred seventy-seven million, two hundred twenty thousand, two hundred twelve".