2112120315236 has 12 divisors (see below), whose sum is σ = 3696814451820. Its totient is φ = 1055887614720.

The previous prime is 2112120315209. The next prime is 2112120315241. The reversal of 2112120315236 is 6325130212112.

It can be written as a sum of positive squares in 2 ways, for example, as 1270670017600 + 841450297636 = 1127240^2 + 917306^2 .

It is a super-2 number, since 2×2112120315236² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112120315199 and 2112120315208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43108181 + ... + 43157148.

It is an arithmetic number, because the mean of its divisors is an integer number (308067870985).

Almost surely, 2^{2112120315236} is an apocalyptic number.

It is an amenable number.

2112120315236 is a deficient number, since it is larger than the sum of its proper divisors (1584694136584).

2112120315236 is a wasteful number, since it uses less digits than its factorization.

2112120315236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86271454 (or 86271452 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 2112120315236 its reverse (6325130212112), we get a palindrome (8437250527348).

The spelling of 2112120315236 in words is "two trillion, one hundred twelve billion, one hundred twenty million, three hundred fifteen thousand, two hundred thirty-six".