102030220123130 has 16 divisors (see below), whose sum is σ = 197781657469704. Its totient is φ = 37672696660800.

The previous prime is 102030220123129. The next prime is 102030220123159. The reversal of 102030220123130 is 31321022030201.

It can be written as a sum of positive squares in 4 ways, for example, as 71888879370361 + 30141340752769 = 8478731^2 + 5490113^2 .

It is a Curzon number.

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, 392423923421 + ... + 392423923680.

Almost surely, 2^{102030220123130} is an apocalyptic number.

102030220123130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102030220123130 is a deficient number, since it is larger than the sum of its proper divisors (95751437346574).

102030220123130 is a wasteful number, since it uses less digits than its factorization.

102030220123130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784847847121.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 102030220123130 its reverse (31321022030201), we get a palindrome (133351242153331).

The spelling of 102030220123130 in words is "one hundred two trillion, thirty billion, two hundred twenty million, one hundred twenty-three thousand, one hundred thirty".