100212122021012 has 24 divisors (see below), whose sum is σ = 181135025352960. Its totient is φ = 48461162561280.

The previous prime is 100212122020961. The next prime is 100212122021017. The reversal of 100212122021012 is 210120221212001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212122021017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237904562 + ... + 238325417.

It is an arithmetic number, because the mean of its divisors is an integer number (7547292723040).

Almost surely, 2^{100212122021012} is an apocalyptic number.

It is an amenable number.

100212122021012 is a deficient number, since it is larger than the sum of its proper divisors (80922903331948).

100212122021012 is a wasteful number, since it uses less digits than its factorization.

100212122021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476231711 (or 476231709 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100212122021012 its reverse (210120221212001), we get a palindrome (310332343233013).

The spelling of 100212122021012 in words is "one hundred trillion, two hundred twelve billion, one hundred twenty-two million, twenty-one thousand, twelve".