2141123212 has 24 divisors (see below), whose sum is σ = 3812320512. Its totient is φ = 1052048400.

The previous prime is 2141123183. The next prime is 2141123213. The reversal of 2141123212 is 2123211412.

It is a self number, because there is not a number n which added to its sum of digits gives 2141123212.

It is not an unprimeable number, because it can be changed into a prime (2141123213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34137 + ... + 73807.

It is an arithmetic number, because the mean of its divisors is an integer number (158846688).

Almost surely, 2^2141123212 is an apocalyptic number.

It is an amenable number.

2141123212 is a deficient number, since it is larger than the sum of its proper divisors (1671197300).

2141123212 is a wasteful number, since it uses less digits than its factorization.

2141123212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39909 (or 39907 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 2141123212 is about 46272.2726046603. The cubic root of 2141123212 is about 1288.8841605796.

Adding to 2141123212 its reverse (2123211412), we get a palindrome (4264334624).

The spelling of 2141123212 in words is "two billion, one hundred forty-one million, one hundred twenty-three thousand, two hundred twelve".