102006123251770 has 16 divisors (see below), whose sum is σ = 187517639340288. Its totient is φ = 39934312081360.

The previous prime is 102006123251689. The next prime is 102006123251783. The reversal of 102006123251770 is 77152321600201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108517151926 + ... + 108517152865.

It is an arithmetic number, because the mean of its divisors is an integer number (11719852458768).

Almost surely, 2^{102006123251770} is an apocalyptic number.

102006123251770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102006123251770 is a deficient number, since it is larger than the sum of its proper divisors (85511516088518).

102006123251770 is a wasteful number, since it uses less digits than its factorization.

102006123251770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217034304845.

The product of its (nonzero) digits is 35280, while the sum is 37.

Adding to 102006123251770 its reverse (77152321600201), we get a palindrome (179158444851971).

The spelling of 102006123251770 in words is "one hundred two trillion, six billion, one hundred twenty-three million, two hundred fifty-one thousand, seven hundred seventy".