20112312001194 has 288 divisors, whose sum is σ = 52341846036480. Its totient is φ = 5467006467648.

The previous prime is 20112312001099. The next prime is 20112312001219. The reversal of 20112312001194 is 49110021321102.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 14712736699 + ... + 14712738065.

It is an arithmetic number, because the mean of its divisors is an integer number (181742520960).

Almost surely, 2^{20112312001194} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20112312001194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26170923018240).

20112312001194 is an abundant number, since it is smaller than the sum of its proper divisors (32229534035286).

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

20112312001194 is a wasteful number, since it uses less digits than its factorization.

20112312001194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454 (or 2428 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

Adding to 20112312001194 its reverse (49110021321102), we get a palindrome (69222333322296).

The spelling of 20112312001194 in words is "twenty trillion, one hundred twelve billion, three hundred twelve million, one thousand, one hundred ninety-four".