212412335356 has 36 divisors (see below), whose sum is σ = 402913739592. Its totient is φ = 97939368384.

The previous prime is 212412335353. The next prime is 212412335383. The reversal of 212412335356 is 653533214212.

It is a super-2 number, since 2×212412335356² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212412335351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 529695 + ... + 839881.

It is an arithmetic number, because the mean of its divisors is an integer number (11192048322).

Almost surely, 2^212412335356 is an apocalyptic number.

212412335356 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

212412335356 is a deficient number, since it is larger than the sum of its proper divisors (190501404236).

212412335356 is a wasteful number, since it uses less digits than its factorization.

212412335356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311230 (or 311215 counting only the distinct ones).

The product of its digits is 129600, while the sum is 37.

Adding to 212412335356 its reverse (653533214212), we get a palindrome (865945549568).

The spelling of 212412335356 in words is "two hundred twelve billion, four hundred twelve million, three hundred thirty-five thousand, three hundred fifty-six".