2142122310 has 48 divisors (see below), whose sum is σ = 5632117920. Its totient is φ = 564812160.

The previous prime is 2142122251. The next prime is 2142122317. The reversal of 2142122310 is 132212412.

It is a happy number.

2142122310 is a `hidden beast` number, since 21 + 421 + 223 + 1 + 0 = 666.

It is a super-2 number, since 2×2142122310² = 9177375981999472200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142122317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125706 + ... + 141725.

It is an arithmetic number, because the mean of its divisors is an integer number (117335790).

Almost surely, 2^2142122310 is an apocalyptic number.

2142122310 is an abundant number, since it is smaller than the sum of its proper divisors (3489995610).

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

2142122310 is a wasteful number, since it uses less digits than its factorization.

2142122310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267533 (or 267530 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2142122310 is about 46283.0672060528. The cubic root of 2142122310 is about 1289.0846038700.

Adding to 2142122310 its reverse (132212412), we get a palindrome (2274334722).

The spelling of 2142122310 in words is "two billion, one hundred forty-two million, one hundred twenty-two thousand, three hundred ten".