126012210 has 32 divisors (see below), whose sum is σ = 312187392. Its totient is φ = 32519040.

The previous prime is 126012197. The next prime is 126012223. The reversal of 126012210 is 12210621.

It is an interprime number because it is at equal distance from previous prime (126012197) and next prime (126012223).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 126012210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66819 + ... + 68678.

It is an arithmetic number, because the mean of its divisors is an integer number (9755856).

Almost surely, 2^126012210 is an apocalyptic number.

126012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126012210 is an abundant number, since it is smaller than the sum of its proper divisors (186175182).

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

126012210 is a wasteful number, since it uses less digits than its factorization.

126012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135538.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 126012210 is about 11225.5160237737. The cubic root of 126012210 is about 501.3459867215.

Adding to 126012210 its reverse (12210621), we get a palindrome (138222831).

The spelling of 126012210 in words is "one hundred twenty-six million, twelve thousand, two hundred ten".