126442002213 has 20 divisors (see below), whose sum is σ = 188893816320. Its totient is φ = 84289616712.

The previous prime is 126442002209. The next prime is 126442002217. The reversal of 126442002213 is 312200244621.

126442002213 is a `hidden beast` number, since 1 + 2 + 6 + 442 + 0 + 0 + 2 + 213 = 666.

It is an interprime number because it is at equal distance from previous prime (126442002209) and next prime (126442002217).

It is not a de Polignac number, because 126442002213 - 2² = 126442002209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126442002217) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1724956 + ... + 1796762.

It is an arithmetic number, because the mean of its divisors is an integer number (9444690816).

Almost surely, 2^126442002213 is an apocalyptic number.

It is an amenable number.

126442002213 is a deficient number, since it is larger than the sum of its proper divisors (62451814107).

126442002213 is an equidigital number, since it uses as much as digits as its factorization.

126442002213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93558 (or 93549 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 126442002213 its reverse (312200244621), we get a palindrome (438642246834).

The spelling of 126442002213 in words is "one hundred twenty-six billion, four hundred forty-two million, two thousand, two hundred thirteen".