102001011211012 has 24 divisors (see below), whose sum is σ = 182857550877792. Its totient is φ = 49756024968000.

The previous prime is 102001011211007. The next prime is 102001011211027. The reversal of 102001011211012 is 210112110100201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102001011210983 and 102001011211001.

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, 11112223 + ... + 18096505.

It is an arithmetic number, because the mean of its divisors is an integer number (7619064619908).

Almost surely, 2^{102001011211012} is an apocalyptic number.

It is an amenable number.

102001011211012 is a deficient number, since it is larger than the sum of its proper divisors (80856539666780).

102001011211012 is a wasteful number, since it uses less digits than its factorization.

102001011211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7073379 (or 7073377 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102001011211012 its reverse (210112110100201), we get a palindrome (312113121311213).

The spelling of 102001011211012 in words is "one hundred two trillion, one billion, eleven million, two hundred eleven thousand, twelve".