212142111031433 has 32 divisors (see below), whose sum is σ = 238807581143040. Its totient is φ = 186792196584960.

The previous prime is 212142111031373. The next prime is 212142111031441. The reversal of 212142111031433 is 334130111241212.

It is a cyclic number.

It is not a de Polignac number, because 212142111031433 - 2¹⁴ = 212142111015049 is a prime.

It is a super-2 number, since 2×212142111031433² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212142111031396 and 212142111031405.

It is not an unprimeable number, because it can be changed into a prime (212142111030433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 647711210 + ... + 648038652.

It is an arithmetic number, because the mean of its divisors is an integer number (7462736910720).

Almost surely, 2^{212142111031433} is an apocalyptic number.

It is an amenable number.

212142111031433 is a deficient number, since it is larger than the sum of its proper divisors (26665470111607).

212142111031433 is a wasteful number, since it uses less digits than its factorization.

212142111031433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340517.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 212142111031433 its reverse (334130111241212), we get a palindrome (546272222272645).

The spelling of 212142111031433 in words is "two hundred twelve trillion, one hundred forty-two billion, one hundred eleven million, thirty-one thousand, four hundred thirty-three".