102702021008628 has 12 divisors (see below), whose sum is σ = 239638049020160. Its totient is φ = 34234007002872.

The previous prime is 102702021008621. The next prime is 102702021008663. The reversal of 102702021008628 is 826800120207201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102702021008621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4279250875348 + ... + 4279250875371.

Almost surely, 2^{102702021008628} is an apocalyptic number.

It is an amenable number.

102702021008628 is an abundant number, since it is smaller than the sum of its proper divisors (136936028011532).

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

102702021008628 is a wasteful number, since it uses less digits than its factorization.

102702021008628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8558501750726 (or 8558501750724 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The spelling of 102702021008628 in words is "one hundred two trillion, seven hundred two billion, twenty-one million, eight thousand, six hundred twenty-eight".