20012031122 has 32 divisors (see below), whose sum is σ = 31220342784. Its totient is φ = 9612648000.

The previous prime is 20012031119. The next prime is 20012031157. The reversal of 20012031122 is 22113021002.

It is a happy number.

It is a super-3 number, since 3×20012031122³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20012031097 and 20012031106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2859047 + ... + 2866037.

It is an arithmetic number, because the mean of its divisors is an integer number (975635712).

Almost surely, 2^20012031122 is an apocalyptic number.

20012031122 is a deficient number, since it is larger than the sum of its proper divisors (11208311662).

20012031122 is a wasteful number, since it uses less digits than its factorization.

20012031122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7514.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20012031122 its reverse (22113021002), we get a palindrome (42125052124).

The spelling of 20012031122 in words is "twenty billion, twelve million, thirty-one thousand, one hundred twenty-two".