20120331122 has 4 divisors (see below), whose sum is σ = 30180496686. Its totient is φ = 10060165560.

The previous prime is 20120331043. The next prime is 20120331137. The reversal of 20120331122 is 22113302102.

20120331122 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 20045179561 + 75151561 = 141581^2 + 8669^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20120331122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5030082779 + ... + 5030082782.

Almost surely, 2^20120331122 is an apocalyptic number.

20120331122 is a deficient number, since it is larger than the sum of its proper divisors (10060165564).

20120331122 is a wasteful number, since it uses less digits than its factorization.

20120331122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10060165563.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20120331122 its reverse (22113302102), we get a palindrome (42233633224).

The spelling of 20120331122 in words is "twenty billion, one hundred twenty million, three hundred thirty-one thousand, one hundred twenty-two".