2142201212 has 12 divisors (see below), whose sum is σ = 3969372960. Its totient is φ = 1008094656.

The previous prime is 2142201181. The next prime is 2142201221. The reversal of 2142201212 is 2121022412.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 15751412 + ... + 15751547.

It is an arithmetic number, because the mean of its divisors is an integer number (330781080).

Almost surely, 2^2142201212 is an apocalyptic number.

It is an amenable number.

2142201212 is a deficient number, since it is larger than the sum of its proper divisors (1827171748).

2142201212 is a wasteful number, since it uses less digits than its factorization.

2142201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31502980 (or 31502978 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2142201212 is about 46283.9195833715. The cubic root of 2142201212 is about 1289.1004308693.

Adding to 2142201212 its reverse (2121022412), we get a palindrome (4263223624).

The spelling of 2142201212 in words is "two billion, one hundred forty-two million, two hundred one thousand, two hundred twelve".