1121401212000 has 96 divisors (see below), whose sum is σ = 3673710409824. Its totient is φ = 299040320000.

The previous prime is 1121401211969. The next prime is 1121401212017. The reversal of 1121401212000 is 2121041211.

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

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 46713051 + ... + 46737050.

It is an arithmetic number, because the mean of its divisors is an integer number (38267816769).

Almost surely, 2^{1121401212000} is an apocalyptic number.

1121401212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121401212000 is an abundant number, since it is smaller than the sum of its proper divisors (2552309197824).

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

1121401212000 is an equidigital number, since it uses as much as digits as its factorization.

1121401212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93450129 (or 93450111 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1121401212000 its reverse (2121041211), we get a palindrome (1123522253211).

The spelling of 1121401212000 in words is "one trillion, one hundred twenty-one billion, four hundred one million, two hundred twelve thousand".