212783353276 has 24 divisors (see below), whose sum is σ = 401717139824. Its totient is φ = 98035695360.

The previous prime is 212783353271. The next prime is 212783353291. The reversal of 212783353276 is 672353387212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212783353271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3553485 + ... + 3612868.

Almost surely, 2^212783353276 is an apocalyptic number.

212783353276 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

212783353276 is a deficient number, since it is larger than the sum of its proper divisors (188933786548).

212783353276 is a wasteful number, since it uses less digits than its factorization.

212783353276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7166941 (or 7166939 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 49.

The spelling of 212783353276 in words is "two hundred twelve billion, seven hundred eighty-three million, three hundred fifty-three thousand, two hundred seventy-six".