212981503076 has 12 divisors (see below), whose sum is σ = 372739078908. Its totient is φ = 106484623392.

The previous prime is 212981503037. The next prime is 212981503081. The reversal of 212981503076 is 670305189212.

It can be written as a sum of positive squares in 2 ways, for example, as 92033356900 + 120948146176 = 303370^2 + 347776^2 .

It is a super-2 number, since 2×212981503076² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1453391 + ... + 1593206.

It is an arithmetic number, because the mean of its divisors is an integer number (31061589909).

Almost surely, 2^212981503076 is an apocalyptic number.

It is an amenable number.

212981503076 is a deficient number, since it is larger than the sum of its proper divisors (159757575832).

212981503076 is a wasteful number, since it uses less digits than its factorization.

212981503076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3064078 (or 3064076 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 212981503076 in words is "two hundred twelve billion, nine hundred eighty-one million, five hundred three thousand, seventy-six".