213119512478 has 4 divisors (see below), whose sum is σ = 319679268720. Its totient is φ = 106559756238.

The previous prime is 213119512477. The next prime is 213119512559. The reversal of 213119512478 is 874215911312.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213119512477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53279878118 + ... + 53279878121.

It is an arithmetic number, because the mean of its divisors is an integer number (79919817180).

Almost surely, 2^213119512478 is an apocalyptic number.

213119512478 is a deficient number, since it is larger than the sum of its proper divisors (106559756242).

213119512478 is a wasteful number, since it uses less digits than its factorization.

213119512478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106559756241.

The product of its digits is 120960, while the sum is 44.

The spelling of 213119512478 in words is "two hundred thirteen billion, one hundred nineteen million, five hundred twelve thousand, four hundred seventy-eight".