1958482209212 has 24 divisors (see below), whose sum is σ = 3629306943360. Its totient is φ = 921548625920.

The previous prime is 1958482209199. The next prime is 1958482209217. The reversal of 1958482209212 is 2129022848591.

It is a super-2 number, since 2×1958482209212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1958482209217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 703637 + ... + 2100492.

It is an arithmetic number, because the mean of its divisors is an integer number (151221122640).

Almost surely, 2^{1958482209212} is an apocalyptic number.

It is an amenable number.

1958482209212 is a deficient number, since it is larger than the sum of its proper divisors (1670824734148).

1958482209212 is a wasteful number, since it uses less digits than its factorization.

1958482209212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2814421 (or 2814419 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 53.

The spelling of 1958482209212 in words is "one trillion, nine hundred fifty-eight billion, four hundred eighty-two million, two hundred nine thousand, two hundred twelve".