102012101211012 has 48 divisors (see below), whose sum is σ = 241074549553152. Its totient is φ = 33571609207200.

The previous prime is 102012101211011. The next prime is 102012101211037. The reversal of 102012101211012 is 210112101210201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102012101210982 and 102012101211000.

It is not an unprimeable number, because it can be changed into a prime (102012101211011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172398108 + ... + 172988819.

It is an arithmetic number, because the mean of its divisors is an integer number (5022386449024).

Almost surely, 2^{102012101211012} is an apocalyptic number.

102012101211012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102012101211012 is an abundant number, since it is smaller than the sum of its proper divisors (139062448342140).

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

102012101211012 is a wasteful number, since it uses less digits than its factorization.

102012101211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345387248 (or 345387246 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102012101211012 its reverse (210112101210201), we get a palindrome (312124202421213).

The spelling of 102012101211012 in words is "one hundred two trillion, twelve billion, one hundred one million, two hundred eleven thousand, twelve".