20113103434212 has 36 divisors (see below), whose sum is σ = 51365594632716. Its totient is φ = 6635250616320.

The previous prime is 20113103434129. The next prime is 20113103434247. The reversal of 20113103434212 is 21243430131102.

20113103434212 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 3 + 10 + 3 + 434 + 212 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8099226495396 + 12013876938816 = 2845914^2 + 3466104^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×20113103434212³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2879879589 + ... + 2879886572.

It is an arithmetic number, because the mean of its divisors is an integer number (1426822073131).

Almost surely, 2^{20113103434212} is an apocalyptic number.

It is an amenable number.

20113103434212 is an abundant number, since it is smaller than the sum of its proper divisors (31252491198504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20113103434212 is a wasteful number, since it uses less digits than its factorization.

20113103434212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5759766268 (or 5759766263 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 20113103434212 its reverse (21243430131102), we get a palindrome (41356533565314).

The spelling of 20113103434212 in words is "twenty trillion, one hundred thirteen billion, one hundred three million, four hundred thirty-four thousand, two hundred twelve".