302543142012042 has 64 divisors (see below), whose sum is σ = 606564799795584. Its totient is φ = 100601635368960.

The previous prime is 302543142011983. The next prime is 302543142012043. The reversal of 302543142012042 is 240210241345203.

It is a happy number.

It is a super-2 number, since 2×302543142012042² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 302543142011994 and 302543142012012.

It is not an unprimeable number, because it can be changed into a prime (302543142012043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21096369792 + ... + 21096384132.

It is an arithmetic number, because the mean of its divisors is an integer number (9477574996806).

Almost surely, 2^{302543142012042} is an apocalyptic number.

302543142012042 is an abundant number, since it is smaller than the sum of its proper divisors (304021657783542).

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

302543142012042 is a wasteful number, since it uses less digits than its factorization.

302543142012042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19703.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 302543142012042 its reverse (240210241345203), we get a palindrome (542753383357245).

The spelling of 302543142012042 in words is "three hundred two trillion, five hundred forty-three billion, one hundred forty-two million, twelve thousand, forty-two".