2111240012212 has 12 divisors (see below), whose sum is σ = 3707818315236. Its totient is φ = 1051863350720.

The previous prime is 2111240012197. The next prime is 2111240012221. The reversal of 2111240012212 is 2122100421112.

It can be written as a sum of positive squares in 2 ways, for example, as 1826163038736 + 285076973476 = 1351356^2 + 533926^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2111240012212.

It is a congruent number.

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, 939162583 + ... + 939164830.

It is an arithmetic number, because the mean of its divisors is an integer number (308984859603).

Almost surely, 2^{2111240012212} is an apocalyptic number.

It is an amenable number.

2111240012212 is a deficient number, since it is larger than the sum of its proper divisors (1596578303024).

2111240012212 is a wasteful number, since it uses less digits than its factorization.

2111240012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1878327698 (or 1878327696 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2111240012212 its reverse (2122100421112), we get a palindrome (4233340433324).

The spelling of 2111240012212 in words is "two trillion, one hundred eleven billion, two hundred forty million, twelve thousand, two hundred twelve".