1211210100096 has 64 divisors (see below), whose sum is σ = 3265295954880. Its totient is φ = 397710770688.

The previous prime is 1211210100083. The next prime is 1211210100097. The reversal of 1211210100096 is 6900010121121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211210100097) 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, 23513026 + ... + 23564481.

It is an arithmetic number, because the mean of its divisors is an integer number (51020249295).

Almost surely, 2^{1211210100096} is an apocalyptic number.

1211210100096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1211210100096 is an abundant number, since it is smaller than the sum of its proper divisors (2054085854784).

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

1211210100096 is an equidigital number, since it uses as much as digits as its factorization.

1211210100096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47077591 (or 47077579 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 24.

The spelling of 1211210100096 in words is "one trillion, two hundred eleven billion, two hundred ten million, one hundred thousand, ninety-six".