1302121342142 has 32 divisors (see below), whose sum is σ = 2088162180000. Its totient is φ = 607200523776.

The previous prime is 1302121342133. The next prime is 1302121342187. The reversal of 1302121342142 is 2412431212031.

It is a happy number.

It is a congruent number.

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, 66167 + ... + 1615122.

It is an arithmetic number, because the mean of its divisors is an integer number (65255068125).

Almost surely, 2^{1302121342142} is an apocalyptic number.

1302121342142 is a deficient number, since it is larger than the sum of its proper divisors (786040837858).

1302121342142 is a wasteful number, since it uses less digits than its factorization.

1302121342142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681628.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1302121342142 its reverse (2412431212031), we get a palindrome (3714552554173).

The spelling of 1302121342142 in words is "one trillion, three hundred two billion, one hundred twenty-one million, three hundred forty-two thousand, one hundred forty-two".