213061050126 has 24 divisors (see below), whose sum is σ = 461720627784. Its totient is φ = 71006757360.

The previous prime is 213061050107. The next prime is 213061050143. The reversal of 213061050126 is 621050160312.

213061050126 is a `hidden beast` number, since 2 + 1 + 30 + 610 + 5 + 0 + 12 + 6 = 666.

It is a super-2 number, since 2×213061050126² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 213061050126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1035840 + ... + 1224371.

It is an arithmetic number, because the mean of its divisors is an integer number (19238359491).

Almost surely, 2^213061050126 is an apocalyptic number.

213061050126 is an abundant number, since it is smaller than the sum of its proper divisors (248659577658).

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

213061050126 is a wasteful number, since it uses less digits than its factorization.

213061050126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265456 (or 2265453 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 213061050126 in words is "two hundred thirteen billion, sixty-one million, fifty thousand, one hundred twenty-six".