20122011412 has 24 divisors (see below), whose sum is σ = 35387817192. Its totient is φ = 10011264000.

The previous prime is 20122011409. The next prime is 20122011421. The reversal of 20122011412 is 21411022102.

It can be written as a sum of positive squares in 4 ways, for example, as 833245956 + 19288765456 = 28866^2 + 138884^2 .

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, 1616412 + ... + 1628812.

It is an arithmetic number, because the mean of its divisors is an integer number (1474492383).

Almost surely, 2^20122011412 is an apocalyptic number.

It is an amenable number.

20122011412 is a deficient number, since it is larger than the sum of its proper divisors (15265805780).

20122011412 is a wasteful number, since it uses less digits than its factorization.

20122011412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14379 (or 14377 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20122011412 its reverse (21411022102), we get a palindrome (41533033514).

The spelling of 20122011412 in words is "twenty billion, one hundred twenty-two million, eleven thousand, four hundred twelve".