121232140222 has 16 divisors (see below), whose sum is σ = 192882401712. Its totient is φ = 56950496640.

The previous prime is 121232140199. The next prime is 121232140261. The reversal of 121232140222 is 222041232121.

It is a junction number, because it is equal to n+sod(n) for n = 121232140193 and 121232140202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3102873 + ... + 3141700.

It is an arithmetic number, because the mean of its divisors is an integer number (12055150107).

Almost surely, 2^121232140222 is an apocalyptic number.

121232140222 is a deficient number, since it is larger than the sum of its proper divisors (71650261490).

121232140222 is a wasteful number, since it uses less digits than its factorization.

121232140222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6245163.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 121232140222 its reverse (222041232121), we get a palindrome (343273372343).

The spelling of 121232140222 in words is "one hundred twenty-one billion, two hundred thirty-two million, one hundred forty thousand, two hundred twenty-two".