12202140342 has 32 divisors (see below), whose sum is σ = 28363334400. Its totient is φ = 3427234848.

The previous prime is 12202140341. The next prime is 12202140491. The reversal of 12202140342 is 24304120221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202140341) 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, 2459617 + ... + 2464572.

It is an arithmetic number, because the mean of its divisors is an integer number (886354200).

Almost surely, 2^12202140342 is an apocalyptic number.

12202140342 is an abundant number, since it is smaller than the sum of its proper divisors (16161194058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12202140342 is a wasteful number, since it uses less digits than its factorization.

12202140342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4924260.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12202140342 its reverse (24304120221), we get a palindrome (36506260563).

The spelling of 12202140342 in words is "twelve billion, two hundred two million, one hundred forty thousand, three hundred forty-two".