212201891150 has 12 divisors (see below), whose sum is σ = 394695517632. Its totient is φ = 84880756440.

The previous prime is 212201891149. The next prime is 212201891173. The reversal of 212201891150 is 51198102212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2122018862 + ... + 2122018961.

It is an arithmetic number, because the mean of its divisors is an integer number (32891293136).

Almost surely, 2^212201891150 is an apocalyptic number.

212201891150 is a deficient number, since it is larger than the sum of its proper divisors (182493626482).

212201891150 is a wasteful number, since it uses less digits than its factorization.

212201891150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4244037835 (or 4244037830 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 32.

Adding to 212201891150 its reverse (51198102212), we get a palindrome (263399993362).

The spelling of 212201891150 in words is "two hundred twelve billion, two hundred one million, eight hundred ninety-one thousand, one hundred fifty".