212988037247 has 4 divisors (see below), whose sum is σ = 216598004040. Its totient is φ = 209378070456.

The previous prime is 212988037111. The next prime is 212988037259. The reversal of 212988037247 is 742730889212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212988037247 - 2¹⁶ = 212987971711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212988027247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1804983308 + ... + 1804983425.

It is an arithmetic number, because the mean of its divisors is an integer number (54149501010).

Almost surely, 2^212988037247 is an apocalyptic number.

212988037247 is a deficient number, since it is larger than the sum of its proper divisors (3609966793).

212988037247 is an equidigital number, since it uses as much as digits as its factorization.

212988037247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3609966792.

The product of its (nonzero) digits is 2709504, while the sum is 53.

The spelling of 212988037247 in words is "two hundred twelve billion, nine hundred eighty-eight million, thirty-seven thousand, two hundred forty-seven".