212445351030 has 32 divisors (see below), whose sum is σ = 556220556288. Its totient is φ = 51501903200.

The previous prime is 212445350981. The next prime is 212445351031. The reversal of 212445351030 is 30153544212.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212445351031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321886566 + ... + 321887225.

It is an arithmetic number, because the mean of its divisors is an integer number (17381892384).

Almost surely, 2^212445351030 is an apocalyptic number.

212445351030 is an abundant number, since it is smaller than the sum of its proper divisors (343775205258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212445351030 is a wasteful number, since it uses less digits than its factorization.

212445351030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643773812.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 212445351030 its reverse (30153544212), we get a palindrome (242598895242).

The spelling of 212445351030 in words is "two hundred twelve billion, four hundred forty-five million, three hundred fifty-one thousand, thirty".