1101211212000 has 96 divisors (see below), whose sum is σ = 3607567969824. Its totient is φ = 293656320000.

The previous prime is 1101211211987. The next prime is 1101211212011. The reversal of 1101211212000 is 2121121011.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1101211212000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45871801 + ... + 45895800.

It is an arithmetic number, because the mean of its divisors is an integer number (37578833019).

Almost surely, 2^{1101211212000} is an apocalyptic number.

1101211212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101211212000 is an abundant number, since it is smaller than the sum of its proper divisors (2506356757824).

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

1101211212000 is an equidigital number, since it uses as much as digits as its factorization.

1101211212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91767629 (or 91767611 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1101211212000 its reverse (2121121011), we get a palindrome (1103332333011).

The spelling of 1101211212000 in words is "one trillion, one hundred one billion, two hundred eleven million, two hundred twelve thousand".