213210412424 has 8 divisors (see below), whose sum is σ = 399769523310. Its totient is φ = 106605206208.

The previous prime is 213210412399. The next prime is 213210412427. The reversal of 213210412424 is 424214012312.

It can be written as a sum of positive squares in only one way, i.e., 203204411524 + 10006000900 = 450782^2 + 100030^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 213210412393 and 213210412402.

It is not an unprimeable number, because it can be changed into a prime (213210412427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13325650769 + ... + 13325650784.

Almost surely, 2^213210412424 is an apocalyptic number.

It is an amenable number.

213210412424 is a deficient number, since it is larger than the sum of its proper divisors (186559110886).

213210412424 is a wasteful number, since it uses less digits than its factorization.

213210412424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26651301559 (or 26651301555 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 213210412424 its reverse (424214012312), we get a palindrome (637424424736).

The spelling of 213210412424 in words is "two hundred thirteen billion, two hundred ten million, four hundred twelve thousand, four hundred twenty-four".