212021223034 has 8 divisors (see below), whose sum is σ = 318036761568. Its totient is φ = 106008969180.

The previous prime is 212021223019. The next prime is 212021223047. The reversal of 212021223034 is 430322120212.

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

It is a junction number, because it is equal to n+sod(n) for n = 212021222996 and 212021223014.

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, 652902 + ... + 922129.

It is an arithmetic number, because the mean of its divisors is an integer number (39754595196).

Almost surely, 2^212021223034 is an apocalyptic number.

212021223034 is a deficient number, since it is larger than the sum of its proper divisors (106015538534).

212021223034 is a wasteful number, since it uses less digits than its factorization.

212021223034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642340.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 212021223034 its reverse (430322120212), we get a palindrome (642343343246).

The spelling of 212021223034 in words is "two hundred twelve billion, twenty-one million, two hundred twenty-three thousand, thirty-four".