102012101211020 has 144 divisors (see below), whose sum is σ = 289810348935744. Its totient is φ = 29350134950400.

The previous prime is 102012101211011. The next prime is 102012101211037. The reversal of 102012101211020 is 20112101210201.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 102012101210986 and 102012101211004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 231393851 + ... + 231834290.

Almost surely, 2^{102012101211020} is an apocalyptic number.

102012101211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102012101211020 is an abundant number, since it is smaller than the sum of its proper divisors (187798247724724).

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

102012101211020 is a wasteful number, since it uses less digits than its factorization.

102012101211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463228192 (or 463228179 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102012101211020 its reverse (20112101210201), we get a palindrome (122124202421221).

The spelling of 102012101211020 in words is "one hundred two trillion, twelve billion, one hundred one million, two hundred eleven thousand, twenty".