200212211178442 has 4 divisors (see below), whose sum is σ = 300318316767666. Its totient is φ = 100106105589220.

The previous prime is 200212211178437. The next prime is 200212211178443. The reversal of 200212211178442 is 244871112212002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 163451648002041 + 36760563176401 = 12784821^2 + 6063049^2 .

It is a super-2 number, since 2×200212211178442² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200212211178443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50053052794609 + ... + 50053052794612.

Almost surely, 2^{200212211178442} is an apocalyptic number.

200212211178442 is a deficient number, since it is larger than the sum of its proper divisors (100106105589224).

200212211178442 is a wasteful number, since it uses less digits than its factorization.

200212211178442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100106105589223.

The product of its (nonzero) digits is 28672, while the sum is 37.

The spelling of 200212211178442 in words is "two hundred trillion, two hundred twelve billion, two hundred eleven million, one hundred seventy-eight thousand, four hundred forty-two".