1005726277212 has 48 divisors (see below), whose sum is σ = 2514906627072. Its totient is φ = 311999688000.

The previous prime is 1005726277141. The next prime is 1005726277223. The reversal of 1005726277212 is 2127726275001.

It is a happy number.

It is a super-2 number, since 2×1005726277212² (a number of 25 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 in 15 ways as a sum of consecutive naturals, for example, 49232164 + ... + 49252587.

It is an arithmetic number, because the mean of its divisors is an integer number (52393888064).

Almost surely, 2^{1005726277212} is an apocalyptic number.

1005726277212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1005726277212 is an abundant number, since it is smaller than the sum of its proper divisors (1509180349860).

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

1005726277212 is a wasteful number, since it uses less digits than its factorization.

1005726277212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98484818 (or 98484816 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 42.

The spelling of 1005726277212 in words is "one trillion, five billion, seven hundred twenty-six million, two hundred seventy-seven thousand, two hundred twelve".