212464899137 has 8 divisors (see below), whose sum is σ = 215376902400. Its totient is φ = 209558460384.

The previous prime is 212464899103. The next prime is 212464899149. The reversal of 212464899137 is 731998464212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212464899137 - 2¹⁶ = 212464833601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212464899197) 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, 1314212 + ... + 1466997.

It is an arithmetic number, because the mean of its divisors is an integer number (26922112800).

Almost surely, 2^212464899137 is an apocalyptic number.

It is an amenable number.

212464899137 is a deficient number, since it is larger than the sum of its proper divisors (2912003263).

212464899137 is an equidigital number, since it uses as much as digits as its factorization.

212464899137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782255.

The product of its digits is 5225472, while the sum is 56.

The spelling of 212464899137 in words is "two hundred twelve billion, four hundred sixty-four million, eight hundred ninety-nine thousand, one hundred thirty-seven".