1302639226242 has 32 divisors (see below), whose sum is σ = 2678500872960. Its totient is φ = 422105055120.

The previous prime is 1302639226183. The next prime is 1302639226271. The reversal of 1302639226242 is 2426229362031.

It is a happy number.

It is a super-2 number, since 2×1302639226242² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1302639226194 and 1302639226203.

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, 11909992 + ... + 12018867.

It is an arithmetic number, because the mean of its divisors is an integer number (83703152280).

Almost surely, 2^{1302639226242} is an apocalyptic number.

1302639226242 is an abundant number, since it is smaller than the sum of its proper divisors (1375861646718).

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

1302639226242 is a wasteful number, since it uses less digits than its factorization.

1302639226242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23929118.

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 1302639226242 in words is "one trillion, three hundred two billion, six hundred thirty-nine million, two hundred twenty-six thousand, two hundred forty-two".