1211032465000 has 80 divisors (see below), whose sum is σ = 2837826604800. Its totient is φ = 484348536000.

The previous prime is 1211032464931. The next prime is 1211032465009. The reversal of 1211032465000 is 5642301121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1211032465009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 59684857 + ... + 59705143.

It is an arithmetic number, because the mean of its divisors is an integer number (35472832560).

Almost surely, 2^{1211032465000} is an apocalyptic number.

1211032465000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1211032465000 is an abundant number, since it is smaller than the sum of its proper divisors (1626794139800).

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

1211032465000 is a wasteful number, since it uses less digits than its factorization.

1211032465000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32252 (or 32233 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 1211032465000 its reverse (5642301121), we get a palindrome (1216674766121).

The spelling of 1211032465000 in words is "one trillion, two hundred eleven billion, thirty-two million, four hundred sixty-five thousand".