212115214650 has 24 divisors (see below), whose sum is σ = 526045732704. Its totient is φ = 56564057200.

The previous prime is 212115214627. The next prime is 212115214681. The reversal of 212115214650 is 56412511212.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 707050566 + ... + 707050865.

It is an arithmetic number, because the mean of its divisors is an integer number (21918572196).

Almost surely, 2^212115214650 is an apocalyptic number.

212115214650 is an abundant number, since it is smaller than the sum of its proper divisors (313930518054).

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

212115214650 is a wasteful number, since it uses less digits than its factorization.

212115214650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414101446 (or 1414101441 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 212115214650 its reverse (56412511212), we get a palindrome (268527725862).

The spelling of 212115214650 in words is "two hundred twelve billion, one hundred fifteen million, two hundred fourteen thousand, six hundred fifty".