212403352030 has 16 divisors (see below), whose sum is σ = 382401430560. Its totient is φ = 84944585952.

The previous prime is 212403351989. The next prime is 212403352037. The reversal of 212403352030 is 30253304212.

It is a junction number, because it is equal to n+sod(n) for n = 212403351986 and 212403352004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212403352037) 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, 2041050 + ... + 2142589.

It is an arithmetic number, because the mean of its divisors is an integer number (23900089410).

Almost surely, 2^212403352030 is an apocalyptic number.

212403352030 is a deficient number, since it is larger than the sum of its proper divisors (169998078530).

212403352030 is a wasteful number, since it uses less digits than its factorization.

212403352030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4188723.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 212403352030 its reverse (30253304212), we get a palindrome (242656656242).

The spelling of 212403352030 in words is "two hundred twelve billion, four hundred three million, three hundred fifty-two thousand, thirty".