303402212042 has 4 divisors (see below), whose sum is σ = 455103318066. Its totient is φ = 151701106020.

The previous prime is 303402212041. The next prime is 303402212051. The reversal of 303402212042 is 240212204303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240212204303 = 11701 ⋅20529203.

It can be written as a sum of positive squares in only one way, i.e., 302325125281 + 1077086761 = 549841^2 + 32819^2 .

It is a junction number, because it is equal to n+sod(n) for n = 303402211999 and 303402212017.

It is not an unprimeable number, because it can be changed into a prime (303402212041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75850553009 + ... + 75850553012.

Almost surely, 2^303402212042 is an apocalyptic number.

303402212042 is a deficient number, since it is larger than the sum of its proper divisors (151701106024).

303402212042 is a wasteful number, since it uses less digits than its factorization.

303402212042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151701106023.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 303402212042 its reverse (240212204303), we get a palindrome (543614416345).

The spelling of 303402212042 in words is "three hundred three billion, four hundred two million, two hundred twelve thousand, forty-two".