1212202030 has 64 divisors (see below), whose sum is σ = 2449621440. Its totient is φ = 428811264.

The previous prime is 1212201997. The next prime is 1212202031. The reversal of 1212202030 is 302022121.

It is a super-2 number, since 2×1212202030² = 2938867523072241800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 1212202030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212202031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 515317 + ... + 517663.

It is an arithmetic number, because the mean of its divisors is an integer number (38275335).

Almost surely, 2^1212202030 is an apocalyptic number.

1212202030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212202030 is an abundant number, since it is smaller than the sum of its proper divisors (1237419410).

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

1212202030 is a wasteful number, since it uses less digits than its factorization.

1212202030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1212202030 is about 34816.6918302127. The cubic root of 1212202030 is about 1066.2482604869.

Adding to 1212202030 its reverse (302022121), we get a palindrome (1514224151).

The spelling of 1212202030 in words is "one billion, two hundred twelve million, two hundred two thousand, thirty".