142121213133 has 16 divisors (see below), whose sum is σ = 192623064192. Its totient is φ = 93183768000.

The previous prime is 142121213083. The next prime is 142121213141. The reversal of 142121213133 is 331312121241.

It is not a de Polignac number, because 142121213133 - 2¹² = 142121209037 is a prime.

It is a super-2 number, since 2×142121213133² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142121212133) 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, 1802568 + ... + 1879758.

It is an arithmetic number, because the mean of its divisors is an integer number (12038941512).

Almost surely, 2^142121213133 is an apocalyptic number.

It is an amenable number.

142121213133 is a deficient number, since it is larger than the sum of its proper divisors (50501851059).

142121213133 is a wasteful number, since it uses less digits than its factorization.

142121213133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87316.

The product of its digits is 864, while the sum is 24.

Adding to 142121213133 its reverse (331312121241), we get a palindrome (473433334374).

The spelling of 142121213133 in words is "one hundred forty-two billion, one hundred twenty-one million, two hundred thirteen thousand, one hundred thirty-three".