1200302030121 has 16 divisors (see below), whose sum is σ = 1712251391040. Its totient is φ = 745657859520.

The previous prime is 1200302030113. The next prime is 1200302030129. The reversal of 1200302030121 is 1210302030021.

It is an interprime number because it is at equal distance from previous prime (1200302030113) and next prime (1200302030129).

It is not a de Polignac number, because 1200302030121 - 2³ = 1200302030113 is a prime.

It is a super-3 number, since 3×1200302030121³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1200302030121.

It is not an unprimeable number, because it can be changed into a prime (1200302030129) 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, 172602510 + ... + 172609463.

It is an arithmetic number, because the mean of its divisors is an integer number (107015711940).

Almost surely, 2^{1200302030121} is an apocalyptic number.

It is an amenable number.

1200302030121 is a deficient number, since it is larger than the sum of its proper divisors (511949360919).

1200302030121 is a wasteful number, since it uses less digits than its factorization.

1200302030121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345212056.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1200302030121 its reverse (1210302030021), we get a palindrome (2410604060142).

The spelling of 1200302030121 in words is "one trillion, two hundred billion, three hundred two million, thirty thousand, one hundred twenty-one".