2142120207 has 16 divisors (see below), whose sum is σ = 3094502400. Its totient is φ = 1312816512.

The previous prime is 2142120151. The next prime is 2142120221. The reversal of 2142120207 is 7020212412.

It is not a de Polignac number, because 2142120207 - 2⁸ = 2142119951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142120247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486207 + ... + 490592.

It is an arithmetic number, because the mean of its divisors is an integer number (193406400).

Almost surely, 2^2142120207 is an apocalyptic number.

2142120207 is a deficient number, since it is larger than the sum of its proper divisors (952382193).

2142120207 is a wasteful number, since it uses less digits than its factorization.

2142120207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976862.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 2142120207 is about 46283.0444871553. The cubic root of 2142120207 is about 1289.0841820227.

Adding to 2142120207 its reverse (7020212412), we get a palindrome (9162332619).

The spelling of 2142120207 in words is "two billion, one hundred forty-two million, one hundred twenty thousand, two hundred seven".