220012210142 has 4 divisors (see below), whose sum is σ = 330018315216. Its totient is φ = 110006105070.

The previous prime is 220012210127. The next prime is 220012210163. The reversal of 220012210142 is 241012210022.

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

It is a super-2 number, since 2×220012210142² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220012210142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55003052534 + ... + 55003052537.

It is an arithmetic number, because the mean of its divisors is an integer number (82504578804).

Almost surely, 2^220012210142 is an apocalyptic number.

220012210142 is a deficient number, since it is larger than the sum of its proper divisors (110006105074).

220012210142 is a wasteful number, since it uses less digits than its factorization.

220012210142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110006105073.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220012210142 its reverse (241012210022), we get a palindrome (461024420164).

The spelling of 220012210142 in words is "two hundred twenty billion, twelve million, two hundred ten thousand, one hundred forty-two".