1210030121132 has 36 divisors (see below), whose sum is σ = 2497019134680. Its totient is φ = 511480436544.

The previous prime is 1210030121101. The next prime is 1210030121137. The reversal of 1210030121132 is 2311210300121.

It is a super-2 number, since 2×1210030121132² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1210030121132.

It is not an unprimeable number, because it can be changed into a prime (1210030121137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42270782 + ... + 42299397.

It is an arithmetic number, because the mean of its divisors is an integer number (69361642630).

Almost surely, 2^{1210030121132} is an apocalyptic number.

It is an amenable number.

1210030121132 is an abundant number, since it is smaller than the sum of its proper divisors (1286989013548).

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

1210030121132 is a wasteful number, since it uses less digits than its factorization.

1210030121132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84570270 (or 84570261 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1210030121132 its reverse (2311210300121), we get a palindrome (3521240421253).

The spelling of 1210030121132 in words is "one trillion, two hundred ten billion, thirty million, one hundred twenty-one thousand, one hundred thirty-two".