212450234709 has 4 divisors (see below), whose sum is σ = 283266979616. Its totient is φ = 141633489804.

The previous prime is 212450234701. The next prime is 212450234729. The reversal of 212450234709 is 907432054212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 212450234709 - 2³ = 212450234701 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 (212450234701) 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, 35408372449 + ... + 35408372454.

It is an arithmetic number, because the mean of its divisors is an integer number (70816744904).

Almost surely, 2^212450234709 is an apocalyptic number.

It is an amenable number.

212450234709 is a deficient number, since it is larger than the sum of its proper divisors (70816744907).

212450234709 is an equidigital number, since it uses as much as digits as its factorization.

212450234709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70816744906.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 212450234709 in words is "two hundred twelve billion, four hundred fifty million, two hundred thirty-four thousand, seven hundred nine".