212213035551 has 16 divisors (see below), whose sum is σ = 310272860160. Its totient is φ = 127947563520.

The previous prime is 212213035477. The next prime is 212213035553. The reversal of 212213035551 is 155530312212.

It is not a de Polignac number, because 212213035551 - 2¹³ = 212213027359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212213035553) 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, 16653471 + ... + 16666208.

It is an arithmetic number, because the mean of its divisors is an integer number (19392053760).

Almost surely, 2^212213035551 is an apocalyptic number.

212213035551 is a deficient number, since it is larger than the sum of its proper divisors (98059824609).

212213035551 is a wasteful number, since it uses less digits than its factorization.

212213035551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33319886.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 212213035551 its reverse (155530312212), we get a palindrome (367743347763).

The spelling of 212213035551 in words is "two hundred twelve billion, two hundred thirteen million, thirty-five thousand, five hundred fifty-one".