39021212220102 has 320 divisors, whose sum is σ = 102529994688000. Its totient is φ = 11087444047680.

The previous prime is 39021212220037. The next prime is 39021212220139. The reversal of 39021212220102 is 20102221212093.

39021212220102 is a `hidden beast` number, since 390 + 21 + 21 + 2 + 220 + 10 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 19481383033 + ... + 19481385035.

It is an arithmetic number, because the mean of its divisors is an integer number (320406233400).

Almost surely, 2^{39021212220102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39021212220102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51264997344000).

39021212220102 is an abundant number, since it is smaller than the sum of its proper divisors (63508782467898).

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

39021212220102 is a wasteful number, since it uses less digits than its factorization.

39021212220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3798 (or 3775 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 39021212220102 its reverse (20102221212093), we get a palindrome (59123433432195).

The spelling of 39021212220102 in words is "thirty-nine trillion, twenty-one billion, two hundred twelve million, two hundred twenty thousand, one hundred two".