542445250142212 has 12 divisors (see below), whose sum is σ = 974935382012620. Its totient is φ = 263892283852896.

The previous prime is 542445250142209. The next prime is 542445250142219. The reversal of 542445250142212 is 212241052544245.

It can be written as a sum of positive squares in 2 ways, for example, as 496713221740096 + 45732028402116 = 22287064^2 + 6762546^2 .

It is not an unprimeable number, because it can be changed into a prime (542445250142219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1832585304387 + ... + 1832585304682.

Almost surely, 2^{542445250142212} is an apocalyptic number.

It is an amenable number.

542445250142212 is a deficient number, since it is larger than the sum of its proper divisors (432490131870408).

542445250142212 is a wasteful number, since it uses less digits than its factorization.

542445250142212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3665170609110 (or 3665170609108 counting only the distinct ones).

The product of its (nonzero) digits is 1024000, while the sum is 43.

The spelling of 542445250142212 in words is "five hundred forty-two trillion, four hundred forty-five billion, two hundred fifty million, one hundred forty-two thousand, two hundred twelve".