1212000101120 has 72 divisors (see below), whose sum is σ = 2904181965216. Its totient is φ = 484622532608.

The previous prime is 1212000101113. The next prime is 1212000101159. The reversal of 1212000101120 is 211010002121.

It is a super-2 number, since 2×1212000101120² (a number of 25 digits) contains 22 as substring.

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, 3351869 + ... + 3695811.

It is an arithmetic number, because the mean of its divisors is an integer number (40335860628).

Almost surely, 2^{1212000101120} is an apocalyptic number.

1212000101120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1212000101120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1452090982608).

1212000101120 is an abundant number, since it is smaller than the sum of its proper divisors (1692181864096).

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

1212000101120 is an equidigital number, since it uses as much as digits as its factorization.

1212000101120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346717 (or 346703 counting only the distinct ones).

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

Adding to 1212000101120 its reverse (211010002121), we get a palindrome (1423010103241).

The spelling of 1212000101120 in words is "one trillion, two hundred twelve billion, one hundred one thousand, one hundred twenty".