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30012221001210 = 2357142915338101
BaseRepresentation
bin1101101001011110000111…
…10001011000110111111010
310221021010210021122221111120
412310233003301120313322
512413210012034014320
6143455231325410110
76215211546236310
oct664570361306772
9127233707587446
1030012221001210
11962112537a158
1234486a0109936
1313991a9302106
1475a8564960b0
15370a47b51440
hex1b4bc3c58dfa

30012221001210 has 32 divisors (see below), whose sum is σ = 82319234746752. Its totient is φ = 6859936228800.

The previous prime is 30012221001197. The next prime is 30012221001223. The reversal of 30012221001210 is 1210012221003.

It is an interprime number because it is at equal distance from previous prime (30012221001197) and next prime (30012221001223).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30012221001210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71457668841 + ... + 71457669260.

It is an arithmetic number, because the mean of its divisors is an integer number (2572476085836).

Almost surely, 230012221001210 is an apocalyptic number.

30012221001210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30012221001210 is an abundant number, since it is smaller than the sum of its proper divisors (52307013745542).

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

30012221001210 is a wasteful number, since it uses less digits than its factorization.

30012221001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142915338118.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 30012221001210 its reverse (1210012221003), we get a palindrome (31222233222213).

The spelling of 30012221001210 in words is "thirty trillion, twelve billion, two hundred twenty-one million, one thousand, two hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 142915338101 285830676202 428746014303 714576690505 857492028606 1000407366707 1429153381010 2000814733414 2143730071515 3001222100121 4287460143030 5002036833535 6002444200242 10004073667070 15006110500605 30012221001210