121212313022 has 16 divisors (see below), whose sum is σ = 185263277760. Its totient is φ = 59458063392.

The previous prime is 121212312971. The next prime is 121212313049. The reversal of 121212313022 is 220313212121.

It is a super-3 number, since 3×121212313022³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121212312985 and 121212313003.

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, 1641104 + ... + 1713372.

It is an arithmetic number, because the mean of its divisors is an integer number (11578954860).

Almost surely, 2^121212313022 is an apocalyptic number.

121212313022 is a deficient number, since it is larger than the sum of its proper divisors (64050964738).

121212313022 is a wasteful number, since it uses less digits than its factorization.

121212313022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88147.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121212313022 its reverse (220313212121), we get a palindrome (341525525143).

The spelling of 121212313022 in words is "one hundred twenty-one billion, two hundred twelve million, three hundred thirteen thousand, twenty-two".