126661026412022 has 4 divisors (see below), whose sum is σ = 189991539618036. Its totient is φ = 63330513206010.

The previous prime is 126661026412003. The next prime is 126661026412061. The reversal of 126661026412022 is 220214620166621.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×126661026412022² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31665256603004 + ... + 31665256603007.

It is an arithmetic number, because the mean of its divisors is an integer number (47497884904509).

Almost surely, 2^{126661026412022} is an apocalyptic number.

126661026412022 is a deficient number, since it is larger than the sum of its proper divisors (63330513206014).

126661026412022 is an equidigital number, since it uses as much as digits as its factorization.

126661026412022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63330513206013.

The product of its (nonzero) digits is 165888, while the sum is 41.

Adding to 126661026412022 its reverse (220214620166621), we get a palindrome (346875646578643).

The spelling of 126661026412022 in words is "one hundred twenty-six trillion, six hundred sixty-one billion, twenty-six million, four hundred twelve thousand, twenty-two".