212133332202442 has 32 divisors (see below), whose sum is σ = 390471959128320. Its totient is φ = 84361225724160.

The previous prime is 212133332202437. The next prime is 212133332202487. The reversal of 212133332202442 is 244202233331212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 212133332202398 and 212133332202407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6276860017 + ... + 6276893812.

It is an arithmetic number, because the mean of its divisors is an integer number (12202248722760).

Almost surely, 2^{212133332202442} is an apocalyptic number.

212133332202442 is a deficient number, since it is larger than the sum of its proper divisors (178338626925878).

212133332202442 is a wasteful number, since it uses less digits than its factorization.

212133332202442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12553753926.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 212133332202442 its reverse (244202233331212), we get a palindrome (456335565533654).

The spelling of 212133332202442 in words is "two hundred twelve trillion, one hundred thirty-three billion, three hundred thirty-two million, two hundred two thousand, four hundred forty-two".