1302421120102 has 4 divisors (see below), whose sum is σ = 1953631680156. Its totient is φ = 651210560050.

The previous prime is 1302421120073. The next prime is 1302421120109. The reversal of 1302421120102 is 2010211242031.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1302421120102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302421120109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325605280024 + ... + 325605280027.

It is an arithmetic number, because the mean of its divisors is an integer number (488407920039).

Almost surely, 2^{1302421120102} is an apocalyptic number.

1302421120102 is a deficient number, since it is larger than the sum of its proper divisors (651210560054).

1302421120102 is an equidigital number, since it uses as much as digits as its factorization.

1302421120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651210560053.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1302421120102 its reverse (2010211242031), we get a palindrome (3312632362133).

The spelling of 1302421120102 in words is "one trillion, three hundred two billion, four hundred twenty-one million, one hundred twenty thousand, one hundred two".