1223210001132 has 48 divisors (see below), whose sum is σ = 3624325931520. Its totient is φ = 349488571536.

The previous prime is 1223210001127. The next prime is 1223210001137. The reversal of 1223210001132 is 2311000123221.

It is an interprime number because it is at equal distance from previous prime (1223210001127) and next prime (1223210001137).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1223210001137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 809000568 + ... + 809002079.

It is an arithmetic number, because the mean of its divisors is an integer number (75506790240).

Almost surely, 2^{1223210001132} is an apocalyptic number.

1223210001132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1223210001132 is an abundant number, since it is smaller than the sum of its proper divisors (2401115930388).

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

1223210001132 is a wasteful number, since it uses less digits than its factorization.

1223210001132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618002667 (or 1618002659 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1223210001132 its reverse (2311000123221), we get a palindrome (3534210124353).

The spelling of 1223210001132 in words is "one trillion, two hundred twenty-three billion, two hundred ten million, one thousand, one hundred thirty-two".