2142204280126 has 32 divisors (see below), whose sum is σ = 3450852992160. Its totient is φ = 993770474496.

The previous prime is 2142204280123. The next prime is 2142204280169. The reversal of 2142204280126 is 6210824022412.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 2142204280091 and 2142204280100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142204280123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459120 + ... + 2120188.

It is an arithmetic number, because the mean of its divisors is an integer number (107839156005).

Almost surely, 2^{2142204280126} is an apocalyptic number.

2142204280126 is a deficient number, since it is larger than the sum of its proper divisors (1308648712034).

2142204280126 is a wasteful number, since it uses less digits than its factorization.

2142204280126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661628.

The product of its (nonzero) digits is 24576, while the sum is 34.

The spelling of 2142204280126 in words is "two trillion, one hundred forty-two billion, two hundred four million, two hundred eighty thousand, one hundred twenty-six".