212354245152 has 72 divisors (see below), whose sum is σ = 690151303296. Its totient is φ = 60672640896.

The previous prime is 212354245079. The next prime is 212354245183. The reversal of 212354245152 is 251542453212.

212354245152 is a `hidden beast` number, since 2 + 1 + 23 + 542 + 45 + 1 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52665208 + ... + 52669239.

It is an arithmetic number, because the mean of its divisors is an integer number (9585434768).

Almost surely, 2^212354245152 is an apocalyptic number.

It is an amenable number.

212354245152 is an abundant number, since it is smaller than the sum of its proper divisors (477797058144).

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

212354245152 is a wasteful number, since it uses less digits than its factorization.

212354245152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105334470 (or 105334459 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

Adding to 212354245152 its reverse (251542453212), we get a palindrome (463896698364).

The spelling of 212354245152 in words is "two hundred twelve billion, three hundred fifty-four million, two hundred forty-five thousand, one hundred fifty-two".