101212001120 has 24 divisors (see below), whose sum is σ = 239113353024. Its totient is φ = 40484800384.

The previous prime is 101212001119. The next prime is 101212001123. The reversal of 101212001120 is 21100212101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212001123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316287344 + ... + 316287663.

It is an arithmetic number, because the mean of its divisors is an integer number (9963056376).

Almost surely, 2^101212001120 is an apocalyptic number.

101212001120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101212001120 is an abundant number, since it is smaller than the sum of its proper divisors (137901351904).

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

101212001120 is an equidigital number, since it uses as much as digits as its factorization.

101212001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632575022 (or 632575014 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101212001120 its reverse (21100212101), we get a palindrome (122312213221).

The spelling of 101212001120 in words is "one hundred one billion, two hundred twelve million, one thousand, one hundred twenty".